diff --git a/src/slice/client/SliceClient.py b/src/slice/client/SliceClient.py
index b45aa3032746126a267c03d2e85b6ef72d3a189f..a056a7101793abd2b4d3ab2aba0ab4f0b063f573 100644
--- a/src/slice/client/SliceClient.py
+++ b/src/slice/client/SliceClient.py
@@ -7,11 +7,12 @@ from slice.proto.slice_pb2_grpc import SliceServiceStub
 LOGGER = logging.getLogger(__name__)
 MAX_RETRIES = 15
 DELAY_FUNCTION = delay_exponential(initial=0.01, increment=2.0, maximum=5.0)
+RETRY_DECORATOR = retry(max_retries=MAX_RETRIES, delay_function=DELAY_FUNCTION, prepare_method_name='connect')
 
 class SliceClient:
     def __init__(self, address, port):
-        self.endpoint = '{}:{}'.format(address, port)
-        LOGGER.debug('Creating channel to {}...'.format(self.endpoint))
+        self.endpoint = '{:s}:{:s}'.format(str(address), str(port))
+        LOGGER.debug('Creating channel to {:s}...'.format(self.endpoint))
         self.channel = None
         self.stub = None
         self.connect()
@@ -26,16 +27,16 @@ class SliceClient:
         self.channel = None
         self.stub = None
 
-    @retry(exceptions=set(), max_retries=MAX_RETRIES, delay_function=DELAY_FUNCTION, prepare_method_name='connect')
+    @RETRY_DECORATOR
     def CreateUpdateSlice(self, request : TransportSlice) -> SliceStatus:
-        LOGGER.debug('CreateUpdateSlice request: {}'.format(request))
+        LOGGER.debug('CreateUpdateSlice request: {:s}'.format(str(request)))
         response = self.stub.CreateUpdateSlice(request)
-        LOGGER.debug('CreateUpdateSlice result: {}'.format(response))
+        LOGGER.debug('CreateUpdateSlice result: {:s}'.format(str(response)))
         return response
 
-    @retry(exceptions=set(), max_retries=MAX_RETRIES, delay_function=DELAY_FUNCTION, prepare_method_name='connect')
+    @RETRY_DECORATOR
     def DeleteSlice(self, request : TransportSlice) -> Empty:
-        LOGGER.debug('DeleteSlice request: {}'.format(request))
+        LOGGER.debug('DeleteSlice request: {:s}'.format(str(request)))
         response = self.stub.DeleteSlice(request)
-        LOGGER.debug('DeleteSlice result: {}'.format(response))
+        LOGGER.debug('DeleteSlice result: {:s}'.format(str(response)))
         return response
diff --git a/src/slice/proto/context_pb2.py b/src/slice/proto/context_pb2.py
index a41b1de47f4df97a6e90b42a02fab7556feafd34..68602b16f264ceac9acc3ef6669b09d5984e72c2 100644
--- a/src/slice/proto/context_pb2.py
+++ b/src/slice/proto/context_pb2.py
@@ -12,6 +12,7 @@ from google.protobuf import symbol_database as _symbol_database
 _sym_db = _symbol_database.Default()
 
 
+from . import kpi_sample_types_pb2 as kpi__sample__types__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -20,43 +21,250 @@ DESCRIPTOR = _descriptor.FileDescriptor(
   syntax='proto3',
   serialized_options=None,
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n\rcontext.proto\x12\x07\x63ontext\"\x07\n\x05\x45mpty\"{\n\x07\x43ontext\x12%\n\tcontextId\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x1f\n\x04topo\x18\x02 \x01(\x0b\x32\x11.context.Topology\x12(\n\x03\x63tl\x18\x03 \x01(\x0b\x32\x1b.context.TeraFlowController\"/\n\tContextId\x12\"\n\x0b\x63ontextUuid\x18\x01 \x01(\x0b\x32\r.context.Uuid\"m\n\x08Topology\x12#\n\x06topoId\x18\x02 \x01(\x0b\x32\x13.context.TopologyId\x12\x1f\n\x06\x64\x65vice\x18\x03 \x03(\x0b\x32\x0f.context.Device\x12\x1b\n\x04link\x18\x04 \x03(\x0b\x32\r.context.Link\"S\n\x04Link\x12 \n\x07link_id\x18\x01 \x01(\x0b\x32\x0f.context.LinkId\x12)\n\x0c\x65ndpointList\x18\x02 \x03(\x0b\x32\x13.context.EndPointId\"R\n\nTopologyId\x12%\n\tcontextId\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x1d\n\x06topoId\x18\x02 \x01(\x0b\x32\r.context.Uuid\"?\n\nConstraint\x12\x17\n\x0f\x63onstraint_type\x18\x01 \x01(\t\x12\x18\n\x10\x63onstraint_value\x18\x02 \x01(\t\"\xda\x01\n\x06\x44\x65vice\x12$\n\tdevice_id\x18\x01 \x01(\x0b\x32\x11.context.DeviceId\x12\x13\n\x0b\x64\x65vice_type\x18\x02 \x01(\t\x12,\n\rdevice_config\x18\x03 \x01(\x0b\x32\x15.context.DeviceConfig\x12>\n\x14\x64\x65vOperationalStatus\x18\x04 \x01(\x0e\x32 .context.DeviceOperationalStatus\x12\'\n\x0c\x65ndpointList\x18\x05 \x03(\x0b\x32\x11.context.EndPoint\"%\n\x0c\x44\x65viceConfig\x12\x15\n\rdevice_config\x18\x01 \x01(\t\"C\n\x08\x45ndPoint\x12$\n\x07port_id\x18\x01 \x01(\x0b\x32\x13.context.EndPointId\x12\x11\n\tport_type\x18\x02 \x01(\t\"t\n\nEndPointId\x12#\n\x06topoId\x18\x01 \x01(\x0b\x32\x13.context.TopologyId\x12!\n\x06\x64\x65v_id\x18\x02 \x01(\x0b\x32\x11.context.DeviceId\x12\x1e\n\x07port_id\x18\x03 \x01(\x0b\x32\r.context.Uuid\",\n\x08\x44\x65viceId\x12 \n\tdevice_id\x18\x01 \x01(\x0b\x32\r.context.Uuid\"(\n\x06LinkId\x12\x1e\n\x07link_id\x18\x01 \x01(\x0b\x32\r.context.Uuid\"\x14\n\x04Uuid\x12\x0c\n\x04uuid\x18\x01 \x01(\t\"K\n\x12TeraFlowController\x12\"\n\x06\x63tl_id\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x11\n\tipaddress\x18\x02 \x01(\t\"Q\n\x14\x41uthenticationResult\x12\"\n\x06\x63tl_id\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x15\n\rauthenticated\x18\x02 \x01(\x08*N\n\x17\x44\x65viceOperationalStatus\x12\x0f\n\x0bKEEP_STATUS\x10\x00\x12\x15\n\x08\x44ISABLED\x10\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01\x12\x0b\n\x07\x45NABLED\x10\x01\x32\xa2\x01\n\x0e\x43ontextService\x12\x32\n\x0bGetTopology\x12\x0e.context.Empty\x1a\x11.context.Topology\"\x00\x12+\n\x07\x41\x64\x64Link\x12\r.context.Link\x1a\x0f.context.LinkId\"\x00\x12/\n\nDeleteLink\x12\x0f.context.LinkId\x1a\x0e.context.Empty\"\x00\x62\x06proto3'
+  serialized_pb=b'\n\rcontext.proto\x12\x07\x63ontext\x1a\x16kpi_sample_types.proto\"\x07\n\x05\x45mpty\"\x14\n\x04Uuid\x12\x0c\n\x04uuid\x18\x01 \x01(\t\"F\n\x05\x45vent\x12\x11\n\ttimestamp\x18\x01 \x01(\x01\x12*\n\nevent_type\x18\x02 \x01(\x0e\x32\x16.context.EventTypeEnum\"0\n\tContextId\x12#\n\x0c\x63ontext_uuid\x18\x01 \x01(\x0b\x32\r.context.Uuid\"\xb6\x01\n\x07\x43ontext\x12&\n\ncontext_id\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12)\n\x0ctopology_ids\x18\x02 \x03(\x0b\x32\x13.context.TopologyId\x12\'\n\x0bservice_ids\x18\x03 \x03(\x0b\x32\x12.context.ServiceId\x12/\n\ncontroller\x18\x04 \x01(\x0b\x32\x1b.context.TeraFlowController\"8\n\rContextIdList\x12\'\n\x0b\x63ontext_ids\x18\x01 \x03(\x0b\x32\x12.context.ContextId\"1\n\x0b\x43ontextList\x12\"\n\x08\x63ontexts\x18\x01 \x03(\x0b\x32\x10.context.Context\"U\n\x0c\x43ontextEvent\x12\x1d\n\x05\x65vent\x18\x01 \x01(\x0b\x32\x0e.context.Event\x12&\n\ncontext_id\x18\x02 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DEVICEOPERATIONALSTATUS_DISABLED\x10\x01\x12#\n\x1f\x44\x45VICEOPERATIONALSTATUS_ENABLED\x10\x02*\x81\x01\n\x0fServiceTypeEnum\x12\x17\n\x13SERVICETYPE_UNKNOWN\x10\x00\x12\x14\n\x10SERVICETYPE_L3NM\x10\x01\x12\x14\n\x10SERVICETYPE_L2NM\x10\x02\x12)\n%SERVICETYPE_TAPI_CONNECTIVITY_SERVICE\x10\x03*\x88\x01\n\x11ServiceStatusEnum\x12\x1b\n\x17SERVICESTATUS_UNDEFINED\x10\x00\x12\x19\n\x15SERVICESTATUS_PLANNED\x10\x01\x12\x18\n\x14SERVICESTATUS_ACTIVE\x10\x02\x12!\n\x1dSERVICESTATUS_PENDING_REMOVAL\x10\x03*]\n\x10\x43onfigActionEnum\x12\x1a\n\x16\x43ONFIGACTION_UNDEFINED\x10\x00\x12\x14\n\x10\x43ONFIGACTION_SET\x10\x01\x12\x17\n\x13\x43ONFIGACTION_DELETE\x10\x02\x32\xad\x10\n\x0e\x43ontextService\x12:\n\x0eListContextIds\x12\x0e.context.Empty\x1a\x16.context.ContextIdList\"\x00\x12\x36\n\x0cListContexts\x12\x0e.context.Empty\x1a\x14.context.ContextList\"\x00\x12\x34\n\nGetContext\x12\x12.context.ContextId\x1a\x10.context.Context\"\x00\x12\x34\n\nSetContext\x12\x10.context.Context\x1a\x12.context.ContextId\"\x00\x12\x35\n\rRemoveContext\x12\x12.context.ContextId\x1a\x0e.context.Empty\"\x00\x12=\n\x10GetContextEvents\x12\x0e.context.Empty\x1a\x15.context.ContextEvent\"\x00\x30\x01\x12@\n\x0fListTopologyIds\x12\x12.context.ContextId\x1a\x17.context.TopologyIdList\"\x00\x12=\n\x0eListTopologies\x12\x12.context.ContextId\x1a\x15.context.TopologyList\"\x00\x12\x37\n\x0bGetTopology\x12\x13.context.TopologyId\x1a\x11.context.Topology\"\x00\x12\x37\n\x0bSetTopology\x12\x11.context.Topology\x1a\x13.context.TopologyId\"\x00\x12\x37\n\x0eRemoveTopology\x12\x13.context.TopologyId\x1a\x0e.context.Empty\"\x00\x12?\n\x11GetTopologyEvents\x12\x0e.context.Empty\x1a\x16.context.TopologyEvent\"\x00\x30\x01\x12\x38\n\rListDeviceIds\x12\x0e.context.Empty\x1a\x15.context.DeviceIdList\"\x00\x12\x34\n\x0bListDevices\x12\x0e.context.Empty\x1a\x13.context.DeviceList\"\x00\x12\x31\n\tGetDevice\x12\x11.context.DeviceId\x1a\x0f.context.Device\"\x00\x12\x31\n\tSetDevice\x12\x0f.context.Device\x1a\x11.context.DeviceId\"\x00\x12\x33\n\x0cRemoveDevice\x12\x11.context.DeviceId\x1a\x0e.context.Empty\"\x00\x12;\n\x0fGetDeviceEvents\x12\x0e.context.Empty\x1a\x14.context.DeviceEvent\"\x00\x30\x01\x12\x34\n\x0bListLinkIds\x12\x0e.context.Empty\x1a\x13.context.LinkIdList\"\x00\x12\x30\n\tListLinks\x12\x0e.context.Empty\x1a\x11.context.LinkList\"\x00\x12+\n\x07GetLink\x12\x0f.context.LinkId\x1a\r.context.Link\"\x00\x12+\n\x07SetLink\x12\r.context.Link\x1a\x0f.context.LinkId\"\x00\x12/\n\nRemoveLink\x12\x0f.context.LinkId\x1a\x0e.context.Empty\"\x00\x12\x37\n\rGetLinkEvents\x12\x0e.context.Empty\x1a\x12.context.LinkEvent\"\x00\x30\x01\x12>\n\x0eListServiceIds\x12\x12.context.ContextId\x1a\x16.context.ServiceIdList\"\x00\x12:\n\x0cListServices\x12\x12.context.ContextId\x1a\x14.context.ServiceList\"\x00\x12\x34\n\nGetService\x12\x12.context.ServiceId\x1a\x10.context.Service\"\x00\x12\x34\n\nSetService\x12\x10.context.Service\x1a\x12.context.ServiceId\"\x00\x12\x35\n\rRemoveService\x12\x12.context.ServiceId\x1a\x0e.context.Empty\"\x00\x12=\n\x10GetServiceEvents\x12\x0e.context.Empty\x1a\x15.context.ServiceEvent\"\x00\x30\x01\x12\x44\n\x11ListConnectionIds\x12\x12.context.ServiceId\x1a\x19.context.ConnectionIdList\"\x00\x12@\n\x0fListConnections\x12\x12.context.ServiceId\x1a\x17.context.ConnectionList\"\x00\x12=\n\rGetConnection\x12\x15.context.ConnectionId\x1a\x13.context.Connection\"\x00\x12=\n\rSetConnection\x12\x13.context.Connection\x1a\x15.context.ConnectionId\"\x00\x12;\n\x10RemoveConnection\x12\x15.context.ConnectionId\x1a\x0e.context.Empty\"\x00\x12\x43\n\x13GetConnectionEvents\x12\x0e.context.Empty\x1a\x18.context.ConnectionEvent\"\x00\x30\x01\x62\x06proto3'
+  ,
+  dependencies=[kpi__sample__types__pb2.DESCRIPTOR,])
+
+_EVENTTYPEENUM = _descriptor.EnumDescriptor(
+  name='EventTypeEnum',
+  full_name='context.EventTypeEnum',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='EVENTTYPE_UNDEFINED', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='EVENTTYPE_CREATE', index=1, number=1,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='EVENTTYPE_UPDATE', index=2, number=2,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='EVENTTYPE_REMOVE', index=3, number=3,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=3703,
+  serialized_end=3809,
+)
+_sym_db.RegisterEnumDescriptor(_EVENTTYPEENUM)
+
+EventTypeEnum = enum_type_wrapper.EnumTypeWrapper(_EVENTTYPEENUM)
+_DEVICEDRIVERENUM = _descriptor.EnumDescriptor(
+  name='DeviceDriverEnum',
+  full_name='context.DeviceDriverEnum',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEDRIVER_UNDEFINED', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEDRIVER_OPENCONFIG', index=1, number=1,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEDRIVER_TRANSPORT_API', index=2, number=2,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEDRIVER_P4', index=3, number=3,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEDRIVER_IETF_NETWORK_TOPOLOGY', index=4, number=4,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEDRIVER_ONF_TR_352', index=5, number=5,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=3812,
+  serialized_end=4009,
+)
+_sym_db.RegisterEnumDescriptor(_DEVICEDRIVERENUM)
+
+DeviceDriverEnum = enum_type_wrapper.EnumTypeWrapper(_DEVICEDRIVERENUM)
+_DEVICEOPERATIONALSTATUSENUM = _descriptor.EnumDescriptor(
+  name='DeviceOperationalStatusEnum',
+  full_name='context.DeviceOperationalStatusEnum',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEOPERATIONALSTATUS_UNDEFINED', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEOPERATIONALSTATUS_DISABLED', index=1, number=1,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='DEVICEOPERATIONALSTATUS_ENABLED', index=2, number=2,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=4012,
+  serialized_end=4155,
+)
+_sym_db.RegisterEnumDescriptor(_DEVICEOPERATIONALSTATUSENUM)
+
+DeviceOperationalStatusEnum = enum_type_wrapper.EnumTypeWrapper(_DEVICEOPERATIONALSTATUSENUM)
+_SERVICETYPEENUM = _descriptor.EnumDescriptor(
+  name='ServiceTypeEnum',
+  full_name='context.ServiceTypeEnum',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='SERVICETYPE_UNKNOWN', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SERVICETYPE_L3NM', index=1, number=1,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SERVICETYPE_L2NM', index=2, number=2,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SERVICETYPE_TAPI_CONNECTIVITY_SERVICE', index=3, number=3,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=4158,
+  serialized_end=4287,
+)
+_sym_db.RegisterEnumDescriptor(_SERVICETYPEENUM)
+
+ServiceTypeEnum = enum_type_wrapper.EnumTypeWrapper(_SERVICETYPEENUM)
+_SERVICESTATUSENUM = _descriptor.EnumDescriptor(
+  name='ServiceStatusEnum',
+  full_name='context.ServiceStatusEnum',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='SERVICESTATUS_UNDEFINED', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SERVICESTATUS_PLANNED', index=1, number=1,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SERVICESTATUS_ACTIVE', index=2, number=2,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SERVICESTATUS_PENDING_REMOVAL', index=3, number=3,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=4290,
+  serialized_end=4426,
 )
+_sym_db.RegisterEnumDescriptor(_SERVICESTATUSENUM)
 
-_DEVICEOPERATIONALSTATUS = _descriptor.EnumDescriptor(
-  name='DeviceOperationalStatus',
-  full_name='context.DeviceOperationalStatus',
+ServiceStatusEnum = enum_type_wrapper.EnumTypeWrapper(_SERVICESTATUSENUM)
+_CONFIGACTIONENUM = _descriptor.EnumDescriptor(
+  name='ConfigActionEnum',
+  full_name='context.ConfigActionEnum',
   filename=None,
   file=DESCRIPTOR,
   create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
-      name='KEEP_STATUS', index=0, number=0,
+      name='CONFIGACTION_UNDEFINED', index=0, number=0,
       serialized_options=None,
       type=None,
       create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
-      name='DISABLED', index=1, number=-1,
+      name='CONFIGACTION_SET', index=1, number=1,
       serialized_options=None,
       type=None,
       create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
-      name='ENABLED', index=2, number=1,
+      name='CONFIGACTION_DELETE', index=2, number=2,
       serialized_options=None,
       type=None,
       create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=1271,
-  serialized_end=1349,
+  serialized_start=4428,
+  serialized_end=4521,
 )
-_sym_db.RegisterEnumDescriptor(_DEVICEOPERATIONALSTATUS)
+_sym_db.RegisterEnumDescriptor(_CONFIGACTIONENUM)
 
-DeviceOperationalStatus = enum_type_wrapper.EnumTypeWrapper(_DEVICEOPERATIONALSTATUS)
-KEEP_STATUS = 0
-DISABLED = -1
-ENABLED = 1
+ConfigActionEnum = enum_type_wrapper.EnumTypeWrapper(_CONFIGACTIONENUM)
+EVENTTYPE_UNDEFINED = 0
+EVENTTYPE_CREATE = 1
+EVENTTYPE_UPDATE = 2
+EVENTTYPE_REMOVE = 3
+DEVICEDRIVER_UNDEFINED = 0
+DEVICEDRIVER_OPENCONFIG = 1
+DEVICEDRIVER_TRANSPORT_API = 2
+DEVICEDRIVER_P4 = 3
+DEVICEDRIVER_IETF_NETWORK_TOPOLOGY = 4
+DEVICEDRIVER_ONF_TR_352 = 5
+DEVICEOPERATIONALSTATUS_UNDEFINED = 0
+DEVICEOPERATIONALSTATUS_DISABLED = 1
+DEVICEOPERATIONALSTATUS_ENABLED = 2
+SERVICETYPE_UNKNOWN = 0
+SERVICETYPE_L3NM = 1
+SERVICETYPE_L2NM = 2
+SERVICETYPE_TAPI_CONNECTIVITY_SERVICE = 3
+SERVICESTATUS_UNDEFINED = 0
+SERVICESTATUS_PLANNED = 1
+SERVICESTATUS_ACTIVE = 2
+SERVICESTATUS_PENDING_REMOVAL = 3
+CONFIGACTION_UNDEFINED = 0
+CONFIGACTION_SET = 1
+CONFIGACTION_DELETE = 2
 
 
 
@@ -80,37 +288,62 @@ _EMPTY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=26,
-  serialized_end=33,
+  serialized_start=50,
+  serialized_end=57,
 )
 
 
-_CONTEXT = _descriptor.Descriptor(
-  name='Context',
-  full_name='context.Context',
+_UUID = _descriptor.Descriptor(
+  name='Uuid',
+  full_name='context.Uuid',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='contextId', full_name='context.Context.contextId', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
+      name='uuid', full_name='context.Uuid.uuid', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=59,
+  serialized_end=79,
+)
+
+
+_EVENT = _descriptor.Descriptor(
+  name='Event',
+  full_name='context.Event',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
     _descriptor.FieldDescriptor(
-      name='topo', full_name='context.Context.topo', index=1,
-      number=2, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
+      name='timestamp', full_name='context.Event.timestamp', index=0,
+      number=1, type=1, cpp_type=5, label=1,
+      has_default_value=False, default_value=float(0),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='ctl', full_name='context.Context.ctl', index=2,
-      number=3, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
+      name='event_type', full_name='context.Event.event_type', index=1,
+      number=2, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -126,8 +359,8 @@ _CONTEXT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=35,
-  serialized_end=158,
+  serialized_start=81,
+  serialized_end=151,
 )
 
 
@@ -140,7 +373,7 @@ _CONTEXTID = _descriptor.Descriptor(
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='contextUuid', full_name='context.ContextId.contextUuid', index=0,
+      name='context_uuid', full_name='context.ContextId.context_uuid', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
@@ -158,40 +391,47 @@ _CONTEXTID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=160,
-  serialized_end=207,
+  serialized_start=153,
+  serialized_end=201,
 )
 
 
-_TOPOLOGY = _descriptor.Descriptor(
-  name='Topology',
-  full_name='context.Topology',
+_CONTEXT = _descriptor.Descriptor(
+  name='Context',
+  full_name='context.Context',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='topoId', full_name='context.Topology.topoId', index=0,
-      number=2, type=11, cpp_type=10, label=1,
+      name='context_id', full_name='context.Context.context_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='device', full_name='context.Topology.device', index=1,
-      number=3, type=11, cpp_type=10, label=3,
+      name='topology_ids', full_name='context.Context.topology_ids', index=1,
+      number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='link', full_name='context.Topology.link', index=2,
-      number=4, type=11, cpp_type=10, label=3,
+      name='service_ids', full_name='context.Context.service_ids', index=2,
+      number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='controller', full_name='context.Context.controller', index=3,
+      number=4, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -204,29 +444,54 @@ _TOPOLOGY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=209,
-  serialized_end=318,
+  serialized_start=204,
+  serialized_end=386,
 )
 
 
-_LINK = _descriptor.Descriptor(
-  name='Link',
-  full_name='context.Link',
+_CONTEXTIDLIST = _descriptor.Descriptor(
+  name='ContextIdList',
+  full_name='context.ContextIdList',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='link_id', full_name='context.Link.link_id', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
+      name='context_ids', full_name='context.ContextIdList.context_ids', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=388,
+  serialized_end=444,
+)
+
+
+_CONTEXTLIST = _descriptor.Descriptor(
+  name='ContextList',
+  full_name='context.ContextList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
     _descriptor.FieldDescriptor(
-      name='endpointList', full_name='context.Link.endpointList', index=1,
-      number=2, type=11, cpp_type=10, label=3,
+      name='contexts', full_name='context.ContextList.contexts', index=0,
+      number=1, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
@@ -243,28 +508,28 @@ _LINK = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=320,
-  serialized_end=403,
+  serialized_start=446,
+  serialized_end=495,
 )
 
 
-_TOPOLOGYID = _descriptor.Descriptor(
-  name='TopologyId',
-  full_name='context.TopologyId',
+_CONTEXTEVENT = _descriptor.Descriptor(
+  name='ContextEvent',
+  full_name='context.ContextEvent',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='contextId', full_name='context.TopologyId.contextId', index=0,
+      name='event', full_name='context.ContextEvent.event', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='topoId', full_name='context.TopologyId.topoId', index=1,
+      name='context_id', full_name='context.ContextEvent.context_id', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
@@ -282,30 +547,30 @@ _TOPOLOGYID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=405,
-  serialized_end=487,
+  serialized_start=497,
+  serialized_end=582,
 )
 
 
-_CONSTRAINT = _descriptor.Descriptor(
-  name='Constraint',
-  full_name='context.Constraint',
+_TOPOLOGYID = _descriptor.Descriptor(
+  name='TopologyId',
+  full_name='context.TopologyId',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='constraint_type', full_name='context.Constraint.constraint_type', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
+      name='context_id', full_name='context.TopologyId.context_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='constraint_value', full_name='context.Constraint.constraint_value', index=1,
-      number=2, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
+      name='topology_uuid', full_name='context.TopologyId.topology_uuid', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -321,50 +586,36 @@ _CONSTRAINT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=489,
-  serialized_end=552,
+  serialized_start=584,
+  serialized_end=674,
 )
 
 
-_DEVICE = _descriptor.Descriptor(
-  name='Device',
-  full_name='context.Device',
+_TOPOLOGY = _descriptor.Descriptor(
+  name='Topology',
+  full_name='context.Topology',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='device_id', full_name='context.Device.device_id', index=0,
+      name='topology_id', full_name='context.Topology.topology_id', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='device_type', full_name='context.Device.device_type', index=1,
-      number=2, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='device_config', full_name='context.Device.device_config', index=2,
-      number=3, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='devOperationalStatus', full_name='context.Device.devOperationalStatus', index=3,
-      number=4, type=14, cpp_type=8, label=1,
-      has_default_value=False, default_value=0,
+      name='device_ids', full_name='context.Topology.device_ids', index=1,
+      number=2, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='endpointList', full_name='context.Device.endpointList', index=4,
-      number=5, type=11, cpp_type=10, label=3,
+      name='link_ids', full_name='context.Topology.link_ids', index=2,
+      number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
@@ -381,23 +632,23 @@ _DEVICE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=555,
-  serialized_end=773,
+  serialized_start=676,
+  serialized_end=802,
 )
 
 
-_DEVICECONFIG = _descriptor.Descriptor(
-  name='DeviceConfig',
-  full_name='context.DeviceConfig',
+_TOPOLOGYIDLIST = _descriptor.Descriptor(
+  name='TopologyIdList',
+  full_name='context.TopologyIdList',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='device_config', full_name='context.DeviceConfig.device_config', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
+      name='topology_ids', full_name='context.TopologyIdList.topology_ids', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -413,30 +664,62 @@ _DEVICECONFIG = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=775,
-  serialized_end=812,
+  serialized_start=804,
+  serialized_end=863,
 )
 
 
-_ENDPOINT = _descriptor.Descriptor(
-  name='EndPoint',
-  full_name='context.EndPoint',
+_TOPOLOGYLIST = _descriptor.Descriptor(
+  name='TopologyList',
+  full_name='context.TopologyList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='topologies', full_name='context.TopologyList.topologies', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=865,
+  serialized_end=918,
+)
+
+
+_TOPOLOGYEVENT = _descriptor.Descriptor(
+  name='TopologyEvent',
+  full_name='context.TopologyEvent',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='port_id', full_name='context.EndPoint.port_id', index=0,
+      name='event', full_name='context.TopologyEvent.event', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='port_type', full_name='context.EndPoint.port_type', index=1,
-      number=2, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
+      name='topology_id', full_name='context.TopologyEvent.topology_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -452,40 +735,93 @@ _ENDPOINT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=814,
-  serialized_end=881,
+  serialized_start=920,
+  serialized_end=1008,
 )
 
 
-_ENDPOINTID = _descriptor.Descriptor(
-  name='EndPointId',
-  full_name='context.EndPointId',
+_DEVICEID = _descriptor.Descriptor(
+  name='DeviceId',
+  full_name='context.DeviceId',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='topoId', full_name='context.EndPointId.topoId', index=0,
+      name='device_uuid', full_name='context.DeviceId.device_uuid', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1010,
+  serialized_end=1056,
+)
+
+
+_DEVICE = _descriptor.Descriptor(
+  name='Device',
+  full_name='context.Device',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
     _descriptor.FieldDescriptor(
-      name='dev_id', full_name='context.EndPointId.dev_id', index=1,
-      number=2, type=11, cpp_type=10, label=1,
+      name='device_id', full_name='context.Device.device_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='port_id', full_name='context.EndPointId.port_id', index=2,
+      name='device_type', full_name='context.Device.device_type', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='device_config', full_name='context.Device.device_config', index=2,
       number=3, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='device_operational_status', full_name='context.Device.device_operational_status', index=3,
+      number=4, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='device_drivers', full_name='context.Device.device_drivers', index=4,
+      number=5, type=14, cpp_type=8, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='device_endpoints', full_name='context.Device.device_endpoints', index=5,
+      number=6, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -498,26 +834,129 @@ _ENDPOINTID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=883,
-  serialized_end=999,
+  serialized_start=1059,
+  serialized_end=1341,
 )
 
 
-_DEVICEID = _descriptor.Descriptor(
-  name='DeviceId',
-  full_name='context.DeviceId',
+_DEVICECONFIG = _descriptor.Descriptor(
+  name='DeviceConfig',
+  full_name='context.DeviceConfig',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='config_rules', full_name='context.DeviceConfig.config_rules', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1343,
+  serialized_end=1400,
+)
+
+
+_DEVICEIDLIST = _descriptor.Descriptor(
+  name='DeviceIdList',
+  full_name='context.DeviceIdList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='device_ids', full_name='context.DeviceIdList.device_ids', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1402,
+  serialized_end=1455,
+)
+
+
+_DEVICELIST = _descriptor.Descriptor(
+  name='DeviceList',
+  full_name='context.DeviceList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='devices', full_name='context.DeviceList.devices', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1457,
+  serialized_end=1503,
+)
+
+
+_DEVICEEVENT = _descriptor.Descriptor(
+  name='DeviceEvent',
+  full_name='context.DeviceEvent',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='device_id', full_name='context.DeviceId.device_id', index=0,
+      name='event', full_name='context.DeviceEvent.event', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='device_id', full_name='context.DeviceEvent.device_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -530,8 +969,8 @@ _DEVICEID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1001,
-  serialized_end=1045,
+  serialized_start=1505,
+  serialized_end=1587,
 )
 
 
@@ -544,7 +983,7 @@ _LINKID = _descriptor.Descriptor(
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='link_id', full_name='context.LinkId.link_id', index=0,
+      name='link_uuid', full_name='context.LinkId.link_uuid', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
@@ -562,23 +1001,30 @@ _LINKID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1047,
-  serialized_end=1087,
+  serialized_start=1589,
+  serialized_end=1631,
 )
 
 
-_UUID = _descriptor.Descriptor(
-  name='Uuid',
-  full_name='context.Uuid',
+_LINK = _descriptor.Descriptor(
+  name='Link',
+  full_name='context.Link',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='uuid', full_name='context.Uuid.uuid', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
+      name='link_id', full_name='context.Link.link_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='link_endpoint_ids', full_name='context.Link.link_endpoint_ids', index=1,
+      number=2, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -594,30 +1040,55 @@ _UUID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1089,
-  serialized_end=1109,
+  serialized_start=1633,
+  serialized_end=1721,
 )
 
 
-_TERAFLOWCONTROLLER = _descriptor.Descriptor(
-  name='TeraFlowController',
-  full_name='context.TeraFlowController',
+_LINKIDLIST = _descriptor.Descriptor(
+  name='LinkIdList',
+  full_name='context.LinkIdList',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='ctl_id', full_name='context.TeraFlowController.ctl_id', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
+      name='link_ids', full_name='context.LinkIdList.link_ids', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1723,
+  serialized_end=1770,
+)
+
+
+_LINKLIST = _descriptor.Descriptor(
+  name='LinkList',
+  full_name='context.LinkList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
     _descriptor.FieldDescriptor(
-      name='ipaddress', full_name='context.TeraFlowController.ipaddress', index=1,
-      number=2, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
+      name='links', full_name='context.LinkList.links', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -633,30 +1104,30 @@ _TERAFLOWCONTROLLER = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1111,
-  serialized_end=1186,
+  serialized_start=1772,
+  serialized_end=1812,
 )
 
 
-_AUTHENTICATIONRESULT = _descriptor.Descriptor(
-  name='AuthenticationResult',
-  full_name='context.AuthenticationResult',
+_LINKEVENT = _descriptor.Descriptor(
+  name='LinkEvent',
+  full_name='context.LinkEvent',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
   create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
-      name='ctl_id', full_name='context.AuthenticationResult.ctl_id', index=0,
+      name='event', full_name='context.LinkEvent.event', index=0,
       number=1, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
-      name='authenticated', full_name='context.AuthenticationResult.authenticated', index=1,
-      number=2, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
+      name='link_id', full_name='context.LinkEvent.link_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
@@ -672,121 +1143,1102 @@ _AUTHENTICATIONRESULT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1188,
-  serialized_end=1269,
+  serialized_start=1814,
+  serialized_end=1890,
 )
 
-_CONTEXT.fields_by_name['contextId'].message_type = _CONTEXTID
-_CONTEXT.fields_by_name['topo'].message_type = _TOPOLOGY
-_CONTEXT.fields_by_name['ctl'].message_type = _TERAFLOWCONTROLLER
-_CONTEXTID.fields_by_name['contextUuid'].message_type = _UUID
-_TOPOLOGY.fields_by_name['topoId'].message_type = _TOPOLOGYID
-_TOPOLOGY.fields_by_name['device'].message_type = _DEVICE
-_TOPOLOGY.fields_by_name['link'].message_type = _LINK
-_LINK.fields_by_name['link_id'].message_type = _LINKID
-_LINK.fields_by_name['endpointList'].message_type = _ENDPOINTID
-_TOPOLOGYID.fields_by_name['contextId'].message_type = _CONTEXTID
-_TOPOLOGYID.fields_by_name['topoId'].message_type = _UUID
-_DEVICE.fields_by_name['device_id'].message_type = _DEVICEID
-_DEVICE.fields_by_name['device_config'].message_type = _DEVICECONFIG
-_DEVICE.fields_by_name['devOperationalStatus'].enum_type = _DEVICEOPERATIONALSTATUS
-_DEVICE.fields_by_name['endpointList'].message_type = _ENDPOINT
-_ENDPOINT.fields_by_name['port_id'].message_type = _ENDPOINTID
-_ENDPOINTID.fields_by_name['topoId'].message_type = _TOPOLOGYID
-_ENDPOINTID.fields_by_name['dev_id'].message_type = _DEVICEID
-_ENDPOINTID.fields_by_name['port_id'].message_type = _UUID
-_DEVICEID.fields_by_name['device_id'].message_type = _UUID
-_LINKID.fields_by_name['link_id'].message_type = _UUID
-_TERAFLOWCONTROLLER.fields_by_name['ctl_id'].message_type = _CONTEXTID
-_AUTHENTICATIONRESULT.fields_by_name['ctl_id'].message_type = _CONTEXTID
-DESCRIPTOR.message_types_by_name['Empty'] = _EMPTY
-DESCRIPTOR.message_types_by_name['Context'] = _CONTEXT
-DESCRIPTOR.message_types_by_name['ContextId'] = _CONTEXTID
-DESCRIPTOR.message_types_by_name['Topology'] = _TOPOLOGY
-DESCRIPTOR.message_types_by_name['Link'] = _LINK
-DESCRIPTOR.message_types_by_name['TopologyId'] = _TOPOLOGYID
-DESCRIPTOR.message_types_by_name['Constraint'] = _CONSTRAINT
-DESCRIPTOR.message_types_by_name['Device'] = _DEVICE
-DESCRIPTOR.message_types_by_name['DeviceConfig'] = _DEVICECONFIG
-DESCRIPTOR.message_types_by_name['EndPoint'] = _ENDPOINT
-DESCRIPTOR.message_types_by_name['EndPointId'] = _ENDPOINTID
-DESCRIPTOR.message_types_by_name['DeviceId'] = _DEVICEID
-DESCRIPTOR.message_types_by_name['LinkId'] = _LINKID
-DESCRIPTOR.message_types_by_name['Uuid'] = _UUID
-DESCRIPTOR.message_types_by_name['TeraFlowController'] = _TERAFLOWCONTROLLER
-DESCRIPTOR.message_types_by_name['AuthenticationResult'] = _AUTHENTICATIONRESULT
-DESCRIPTOR.enum_types_by_name['DeviceOperationalStatus'] = _DEVICEOPERATIONALSTATUS
-_sym_db.RegisterFileDescriptor(DESCRIPTOR)
 
-Empty = _reflection.GeneratedProtocolMessageType('Empty', (_message.Message,), {
-  'DESCRIPTOR' : _EMPTY,
+_SERVICEID = _descriptor.Descriptor(
+  name='ServiceId',
+  full_name='context.ServiceId',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='context_id', full_name='context.ServiceId.context_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_uuid', full_name='context.ServiceId.service_uuid', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1892,
+  serialized_end=1980,
+)
+
+
+_SERVICE = _descriptor.Descriptor(
+  name='Service',
+  full_name='context.Service',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='service_id', full_name='context.Service.service_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_type', full_name='context.Service.service_type', index=1,
+      number=2, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_endpoint_ids', full_name='context.Service.service_endpoint_ids', index=2,
+      number=3, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_constraints', full_name='context.Service.service_constraints', index=3,
+      number=4, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_status', full_name='context.Service.service_status', index=4,
+      number=5, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_config', full_name='context.Service.service_config', index=5,
+      number=6, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1983,
+  serialized_end=2277,
+)
+
+
+_SERVICESTATUS = _descriptor.Descriptor(
+  name='ServiceStatus',
+  full_name='context.ServiceStatus',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='service_status', full_name='context.ServiceStatus.service_status', index=0,
+      number=1, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2279,
+  serialized_end=2346,
+)
+
+
+_SERVICECONFIG = _descriptor.Descriptor(
+  name='ServiceConfig',
+  full_name='context.ServiceConfig',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='config_rules', full_name='context.ServiceConfig.config_rules', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2348,
+  serialized_end=2406,
+)
+
+
+_SERVICEIDLIST = _descriptor.Descriptor(
+  name='ServiceIdList',
+  full_name='context.ServiceIdList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='service_ids', full_name='context.ServiceIdList.service_ids', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2408,
+  serialized_end=2464,
+)
+
+
+_SERVICELIST = _descriptor.Descriptor(
+  name='ServiceList',
+  full_name='context.ServiceList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='services', full_name='context.ServiceList.services', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2466,
+  serialized_end=2515,
+)
+
+
+_SERVICEEVENT = _descriptor.Descriptor(
+  name='ServiceEvent',
+  full_name='context.ServiceEvent',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='event', full_name='context.ServiceEvent.event', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_id', full_name='context.ServiceEvent.service_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2517,
+  serialized_end=2602,
+)
+
+
+_CONNECTIONID = _descriptor.Descriptor(
+  name='ConnectionId',
+  full_name='context.ConnectionId',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='connection_uuid', full_name='context.ConnectionId.connection_uuid', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2604,
+  serialized_end=2658,
+)
+
+
+_CONNECTION = _descriptor.Descriptor(
+  name='Connection',
+  full_name='context.Connection',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='connection_id', full_name='context.Connection.connection_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='service_id', full_name='context.Connection.service_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='path_hops_endpoint_ids', full_name='context.Connection.path_hops_endpoint_ids', index=2,
+      number=3, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='sub_service_ids', full_name='context.Connection.sub_service_ids', index=3,
+      number=4, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2661,
+  serialized_end=2857,
+)
+
+
+_CONNECTIONIDLIST = _descriptor.Descriptor(
+  name='ConnectionIdList',
+  full_name='context.ConnectionIdList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='connection_ids', full_name='context.ConnectionIdList.connection_ids', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2859,
+  serialized_end=2924,
+)
+
+
+_CONNECTIONLIST = _descriptor.Descriptor(
+  name='ConnectionList',
+  full_name='context.ConnectionList',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='connections', full_name='context.ConnectionList.connections', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2926,
+  serialized_end=2984,
+)
+
+
+_CONNECTIONEVENT = _descriptor.Descriptor(
+  name='ConnectionEvent',
+  full_name='context.ConnectionEvent',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='event', full_name='context.ConnectionEvent.event', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='connection_id', full_name='context.ConnectionEvent.connection_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2986,
+  serialized_end=3080,
+)
+
+
+_ENDPOINTID = _descriptor.Descriptor(
+  name='EndPointId',
+  full_name='context.EndPointId',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='topology_id', full_name='context.EndPointId.topology_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='device_id', full_name='context.EndPointId.device_id', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='endpoint_uuid', full_name='context.EndPointId.endpoint_uuid', index=2,
+      number=3, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=3083,
+  serialized_end=3213,
+)
+
+
+_ENDPOINT = _descriptor.Descriptor(
+  name='EndPoint',
+  full_name='context.EndPoint',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='endpoint_id', full_name='context.EndPoint.endpoint_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='endpoint_type', full_name='context.EndPoint.endpoint_type', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='kpi_sample_types', full_name='context.EndPoint.kpi_sample_types', index=2,
+      number=3, type=14, cpp_type=8, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=3216,
+  serialized_end=3350,
+)
+
+
+_CONFIGRULE = _descriptor.Descriptor(
+  name='ConfigRule',
+  full_name='context.ConfigRule',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='action', full_name='context.ConfigRule.action', index=0,
+      number=1, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='resource_key', full_name='context.ConfigRule.resource_key', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='resource_value', full_name='context.ConfigRule.resource_value', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=3352,
+  serialized_end=3453,
+)
+
+
+_CONSTRAINT = _descriptor.Descriptor(
+  name='Constraint',
+  full_name='context.Constraint',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='constraint_type', full_name='context.Constraint.constraint_type', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='constraint_value', full_name='context.Constraint.constraint_value', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=3455,
+  serialized_end=3518,
+)
+
+
+_TERAFLOWCONTROLLER = _descriptor.Descriptor(
+  name='TeraFlowController',
+  full_name='context.TeraFlowController',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='context_id', full_name='context.TeraFlowController.context_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='ip_address', full_name='context.TeraFlowController.ip_address', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='port', full_name='context.TeraFlowController.port', index=2,
+      number=3, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=3520,
+  serialized_end=3614,
+)
+
+
+_AUTHENTICATIONRESULT = _descriptor.Descriptor(
+  name='AuthenticationResult',
+  full_name='context.AuthenticationResult',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='context_id', full_name='context.AuthenticationResult.context_id', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='authenticated', full_name='context.AuthenticationResult.authenticated', index=1,
+      number=2, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=3616,
+  serialized_end=3701,
+)
+
+_EVENT.fields_by_name['event_type'].enum_type = _EVENTTYPEENUM
+_CONTEXTID.fields_by_name['context_uuid'].message_type = _UUID
+_CONTEXT.fields_by_name['context_id'].message_type = _CONTEXTID
+_CONTEXT.fields_by_name['topology_ids'].message_type = _TOPOLOGYID
+_CONTEXT.fields_by_name['service_ids'].message_type = _SERVICEID
+_CONTEXT.fields_by_name['controller'].message_type = _TERAFLOWCONTROLLER
+_CONTEXTIDLIST.fields_by_name['context_ids'].message_type = _CONTEXTID
+_CONTEXTLIST.fields_by_name['contexts'].message_type = _CONTEXT
+_CONTEXTEVENT.fields_by_name['event'].message_type = _EVENT
+_CONTEXTEVENT.fields_by_name['context_id'].message_type = _CONTEXTID
+_TOPOLOGYID.fields_by_name['context_id'].message_type = _CONTEXTID
+_TOPOLOGYID.fields_by_name['topology_uuid'].message_type = _UUID
+_TOPOLOGY.fields_by_name['topology_id'].message_type = _TOPOLOGYID
+_TOPOLOGY.fields_by_name['device_ids'].message_type = _DEVICEID
+_TOPOLOGY.fields_by_name['link_ids'].message_type = _LINKID
+_TOPOLOGYIDLIST.fields_by_name['topology_ids'].message_type = _TOPOLOGYID
+_TOPOLOGYLIST.fields_by_name['topologies'].message_type = _TOPOLOGY
+_TOPOLOGYEVENT.fields_by_name['event'].message_type = _EVENT
+_TOPOLOGYEVENT.fields_by_name['topology_id'].message_type = _TOPOLOGYID
+_DEVICEID.fields_by_name['device_uuid'].message_type = _UUID
+_DEVICE.fields_by_name['device_id'].message_type = _DEVICEID
+_DEVICE.fields_by_name['device_config'].message_type = _DEVICECONFIG
+_DEVICE.fields_by_name['device_operational_status'].enum_type = _DEVICEOPERATIONALSTATUSENUM
+_DEVICE.fields_by_name['device_drivers'].enum_type = _DEVICEDRIVERENUM
+_DEVICE.fields_by_name['device_endpoints'].message_type = _ENDPOINT
+_DEVICECONFIG.fields_by_name['config_rules'].message_type = _CONFIGRULE
+_DEVICEIDLIST.fields_by_name['device_ids'].message_type = _DEVICEID
+_DEVICELIST.fields_by_name['devices'].message_type = _DEVICE
+_DEVICEEVENT.fields_by_name['event'].message_type = _EVENT
+_DEVICEEVENT.fields_by_name['device_id'].message_type = _DEVICEID
+_LINKID.fields_by_name['link_uuid'].message_type = _UUID
+_LINK.fields_by_name['link_id'].message_type = _LINKID
+_LINK.fields_by_name['link_endpoint_ids'].message_type = _ENDPOINTID
+_LINKIDLIST.fields_by_name['link_ids'].message_type = _LINKID
+_LINKLIST.fields_by_name['links'].message_type = _LINK
+_LINKEVENT.fields_by_name['event'].message_type = _EVENT
+_LINKEVENT.fields_by_name['link_id'].message_type = _LINKID
+_SERVICEID.fields_by_name['context_id'].message_type = _CONTEXTID
+_SERVICEID.fields_by_name['service_uuid'].message_type = _UUID
+_SERVICE.fields_by_name['service_id'].message_type = _SERVICEID
+_SERVICE.fields_by_name['service_type'].enum_type = _SERVICETYPEENUM
+_SERVICE.fields_by_name['service_endpoint_ids'].message_type = _ENDPOINTID
+_SERVICE.fields_by_name['service_constraints'].message_type = _CONSTRAINT
+_SERVICE.fields_by_name['service_status'].message_type = _SERVICESTATUS
+_SERVICE.fields_by_name['service_config'].message_type = _SERVICECONFIG
+_SERVICESTATUS.fields_by_name['service_status'].enum_type = _SERVICESTATUSENUM
+_SERVICECONFIG.fields_by_name['config_rules'].message_type = _CONFIGRULE
+_SERVICEIDLIST.fields_by_name['service_ids'].message_type = _SERVICEID
+_SERVICELIST.fields_by_name['services'].message_type = _SERVICE
+_SERVICEEVENT.fields_by_name['event'].message_type = _EVENT
+_SERVICEEVENT.fields_by_name['service_id'].message_type = _SERVICEID
+_CONNECTIONID.fields_by_name['connection_uuid'].message_type = _UUID
+_CONNECTION.fields_by_name['connection_id'].message_type = _CONNECTIONID
+_CONNECTION.fields_by_name['service_id'].message_type = _SERVICEID
+_CONNECTION.fields_by_name['path_hops_endpoint_ids'].message_type = _ENDPOINTID
+_CONNECTION.fields_by_name['sub_service_ids'].message_type = _SERVICEID
+_CONNECTIONIDLIST.fields_by_name['connection_ids'].message_type = _CONNECTIONID
+_CONNECTIONLIST.fields_by_name['connections'].message_type = _CONNECTION
+_CONNECTIONEVENT.fields_by_name['event'].message_type = _EVENT
+_CONNECTIONEVENT.fields_by_name['connection_id'].message_type = _CONNECTIONID
+_ENDPOINTID.fields_by_name['topology_id'].message_type = _TOPOLOGYID
+_ENDPOINTID.fields_by_name['device_id'].message_type = _DEVICEID
+_ENDPOINTID.fields_by_name['endpoint_uuid'].message_type = _UUID
+_ENDPOINT.fields_by_name['endpoint_id'].message_type = _ENDPOINTID
+_ENDPOINT.fields_by_name['kpi_sample_types'].enum_type = kpi__sample__types__pb2._KPISAMPLETYPE
+_CONFIGRULE.fields_by_name['action'].enum_type = _CONFIGACTIONENUM
+_TERAFLOWCONTROLLER.fields_by_name['context_id'].message_type = _CONTEXTID
+_AUTHENTICATIONRESULT.fields_by_name['context_id'].message_type = _CONTEXTID
+DESCRIPTOR.message_types_by_name['Empty'] = _EMPTY
+DESCRIPTOR.message_types_by_name['Uuid'] = _UUID
+DESCRIPTOR.message_types_by_name['Event'] = _EVENT
+DESCRIPTOR.message_types_by_name['ContextId'] = _CONTEXTID
+DESCRIPTOR.message_types_by_name['Context'] = _CONTEXT
+DESCRIPTOR.message_types_by_name['ContextIdList'] = _CONTEXTIDLIST
+DESCRIPTOR.message_types_by_name['ContextList'] = _CONTEXTLIST
+DESCRIPTOR.message_types_by_name['ContextEvent'] = _CONTEXTEVENT
+DESCRIPTOR.message_types_by_name['TopologyId'] = _TOPOLOGYID
+DESCRIPTOR.message_types_by_name['Topology'] = _TOPOLOGY
+DESCRIPTOR.message_types_by_name['TopologyIdList'] = _TOPOLOGYIDLIST
+DESCRIPTOR.message_types_by_name['TopologyList'] = _TOPOLOGYLIST
+DESCRIPTOR.message_types_by_name['TopologyEvent'] = _TOPOLOGYEVENT
+DESCRIPTOR.message_types_by_name['DeviceId'] = _DEVICEID
+DESCRIPTOR.message_types_by_name['Device'] = _DEVICE
+DESCRIPTOR.message_types_by_name['DeviceConfig'] = _DEVICECONFIG
+DESCRIPTOR.message_types_by_name['DeviceIdList'] = _DEVICEIDLIST
+DESCRIPTOR.message_types_by_name['DeviceList'] = _DEVICELIST
+DESCRIPTOR.message_types_by_name['DeviceEvent'] = _DEVICEEVENT
+DESCRIPTOR.message_types_by_name['LinkId'] = _LINKID
+DESCRIPTOR.message_types_by_name['Link'] = _LINK
+DESCRIPTOR.message_types_by_name['LinkIdList'] = _LINKIDLIST
+DESCRIPTOR.message_types_by_name['LinkList'] = _LINKLIST
+DESCRIPTOR.message_types_by_name['LinkEvent'] = _LINKEVENT
+DESCRIPTOR.message_types_by_name['ServiceId'] = _SERVICEID
+DESCRIPTOR.message_types_by_name['Service'] = _SERVICE
+DESCRIPTOR.message_types_by_name['ServiceStatus'] = _SERVICESTATUS
+DESCRIPTOR.message_types_by_name['ServiceConfig'] = _SERVICECONFIG
+DESCRIPTOR.message_types_by_name['ServiceIdList'] = _SERVICEIDLIST
+DESCRIPTOR.message_types_by_name['ServiceList'] = _SERVICELIST
+DESCRIPTOR.message_types_by_name['ServiceEvent'] = _SERVICEEVENT
+DESCRIPTOR.message_types_by_name['ConnectionId'] = _CONNECTIONID
+DESCRIPTOR.message_types_by_name['Connection'] = _CONNECTION
+DESCRIPTOR.message_types_by_name['ConnectionIdList'] = _CONNECTIONIDLIST
+DESCRIPTOR.message_types_by_name['ConnectionList'] = _CONNECTIONLIST
+DESCRIPTOR.message_types_by_name['ConnectionEvent'] = _CONNECTIONEVENT
+DESCRIPTOR.message_types_by_name['EndPointId'] = _ENDPOINTID
+DESCRIPTOR.message_types_by_name['EndPoint'] = _ENDPOINT
+DESCRIPTOR.message_types_by_name['ConfigRule'] = _CONFIGRULE
+DESCRIPTOR.message_types_by_name['Constraint'] = _CONSTRAINT
+DESCRIPTOR.message_types_by_name['TeraFlowController'] = _TERAFLOWCONTROLLER
+DESCRIPTOR.message_types_by_name['AuthenticationResult'] = _AUTHENTICATIONRESULT
+DESCRIPTOR.enum_types_by_name['EventTypeEnum'] = _EVENTTYPEENUM
+DESCRIPTOR.enum_types_by_name['DeviceDriverEnum'] = _DEVICEDRIVERENUM
+DESCRIPTOR.enum_types_by_name['DeviceOperationalStatusEnum'] = _DEVICEOPERATIONALSTATUSENUM
+DESCRIPTOR.enum_types_by_name['ServiceTypeEnum'] = _SERVICETYPEENUM
+DESCRIPTOR.enum_types_by_name['ServiceStatusEnum'] = _SERVICESTATUSENUM
+DESCRIPTOR.enum_types_by_name['ConfigActionEnum'] = _CONFIGACTIONENUM
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+Empty = _reflection.GeneratedProtocolMessageType('Empty', (_message.Message,), {
+  'DESCRIPTOR' : _EMPTY,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Empty)
+  })
+_sym_db.RegisterMessage(Empty)
+
+Uuid = _reflection.GeneratedProtocolMessageType('Uuid', (_message.Message,), {
+  'DESCRIPTOR' : _UUID,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Uuid)
+  })
+_sym_db.RegisterMessage(Uuid)
+
+Event = _reflection.GeneratedProtocolMessageType('Event', (_message.Message,), {
+  'DESCRIPTOR' : _EVENT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Event)
+  })
+_sym_db.RegisterMessage(Event)
+
+ContextId = _reflection.GeneratedProtocolMessageType('ContextId', (_message.Message,), {
+  'DESCRIPTOR' : _CONTEXTID,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.ContextId)
+  })
+_sym_db.RegisterMessage(ContextId)
+
+Context = _reflection.GeneratedProtocolMessageType('Context', (_message.Message,), {
+  'DESCRIPTOR' : _CONTEXT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Context)
+  })
+_sym_db.RegisterMessage(Context)
+
+ContextIdList = _reflection.GeneratedProtocolMessageType('ContextIdList', (_message.Message,), {
+  'DESCRIPTOR' : _CONTEXTIDLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.ContextIdList)
+  })
+_sym_db.RegisterMessage(ContextIdList)
+
+ContextList = _reflection.GeneratedProtocolMessageType('ContextList', (_message.Message,), {
+  'DESCRIPTOR' : _CONTEXTLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.ContextList)
+  })
+_sym_db.RegisterMessage(ContextList)
+
+ContextEvent = _reflection.GeneratedProtocolMessageType('ContextEvent', (_message.Message,), {
+  'DESCRIPTOR' : _CONTEXTEVENT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.ContextEvent)
+  })
+_sym_db.RegisterMessage(ContextEvent)
+
+TopologyId = _reflection.GeneratedProtocolMessageType('TopologyId', (_message.Message,), {
+  'DESCRIPTOR' : _TOPOLOGYID,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.TopologyId)
+  })
+_sym_db.RegisterMessage(TopologyId)
+
+Topology = _reflection.GeneratedProtocolMessageType('Topology', (_message.Message,), {
+  'DESCRIPTOR' : _TOPOLOGY,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Topology)
+  })
+_sym_db.RegisterMessage(Topology)
+
+TopologyIdList = _reflection.GeneratedProtocolMessageType('TopologyIdList', (_message.Message,), {
+  'DESCRIPTOR' : _TOPOLOGYIDLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.TopologyIdList)
+  })
+_sym_db.RegisterMessage(TopologyIdList)
+
+TopologyList = _reflection.GeneratedProtocolMessageType('TopologyList', (_message.Message,), {
+  'DESCRIPTOR' : _TOPOLOGYLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.TopologyList)
+  })
+_sym_db.RegisterMessage(TopologyList)
+
+TopologyEvent = _reflection.GeneratedProtocolMessageType('TopologyEvent', (_message.Message,), {
+  'DESCRIPTOR' : _TOPOLOGYEVENT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.TopologyEvent)
+  })
+_sym_db.RegisterMessage(TopologyEvent)
+
+DeviceId = _reflection.GeneratedProtocolMessageType('DeviceId', (_message.Message,), {
+  'DESCRIPTOR' : _DEVICEID,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.DeviceId)
+  })
+_sym_db.RegisterMessage(DeviceId)
+
+Device = _reflection.GeneratedProtocolMessageType('Device', (_message.Message,), {
+  'DESCRIPTOR' : _DEVICE,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Device)
+  })
+_sym_db.RegisterMessage(Device)
+
+DeviceConfig = _reflection.GeneratedProtocolMessageType('DeviceConfig', (_message.Message,), {
+  'DESCRIPTOR' : _DEVICECONFIG,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.DeviceConfig)
+  })
+_sym_db.RegisterMessage(DeviceConfig)
+
+DeviceIdList = _reflection.GeneratedProtocolMessageType('DeviceIdList', (_message.Message,), {
+  'DESCRIPTOR' : _DEVICEIDLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.DeviceIdList)
+  })
+_sym_db.RegisterMessage(DeviceIdList)
+
+DeviceList = _reflection.GeneratedProtocolMessageType('DeviceList', (_message.Message,), {
+  'DESCRIPTOR' : _DEVICELIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.DeviceList)
+  })
+_sym_db.RegisterMessage(DeviceList)
+
+DeviceEvent = _reflection.GeneratedProtocolMessageType('DeviceEvent', (_message.Message,), {
+  'DESCRIPTOR' : _DEVICEEVENT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.DeviceEvent)
+  })
+_sym_db.RegisterMessage(DeviceEvent)
+
+LinkId = _reflection.GeneratedProtocolMessageType('LinkId', (_message.Message,), {
+  'DESCRIPTOR' : _LINKID,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.LinkId)
+  })
+_sym_db.RegisterMessage(LinkId)
+
+Link = _reflection.GeneratedProtocolMessageType('Link', (_message.Message,), {
+  'DESCRIPTOR' : _LINK,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.Link)
+  })
+_sym_db.RegisterMessage(Link)
+
+LinkIdList = _reflection.GeneratedProtocolMessageType('LinkIdList', (_message.Message,), {
+  'DESCRIPTOR' : _LINKIDLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.LinkIdList)
+  })
+_sym_db.RegisterMessage(LinkIdList)
+
+LinkList = _reflection.GeneratedProtocolMessageType('LinkList', (_message.Message,), {
+  'DESCRIPTOR' : _LINKLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.LinkList)
+  })
+_sym_db.RegisterMessage(LinkList)
+
+LinkEvent = _reflection.GeneratedProtocolMessageType('LinkEvent', (_message.Message,), {
+  'DESCRIPTOR' : _LINKEVENT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.LinkEvent)
+  })
+_sym_db.RegisterMessage(LinkEvent)
+
+ServiceId = _reflection.GeneratedProtocolMessageType('ServiceId', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICEID,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Empty)
+  # @@protoc_insertion_point(class_scope:context.ServiceId)
   })
-_sym_db.RegisterMessage(Empty)
+_sym_db.RegisterMessage(ServiceId)
 
-Context = _reflection.GeneratedProtocolMessageType('Context', (_message.Message,), {
-  'DESCRIPTOR' : _CONTEXT,
+Service = _reflection.GeneratedProtocolMessageType('Service', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICE,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Context)
+  # @@protoc_insertion_point(class_scope:context.Service)
   })
-_sym_db.RegisterMessage(Context)
+_sym_db.RegisterMessage(Service)
 
-ContextId = _reflection.GeneratedProtocolMessageType('ContextId', (_message.Message,), {
-  'DESCRIPTOR' : _CONTEXTID,
+ServiceStatus = _reflection.GeneratedProtocolMessageType('ServiceStatus', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICESTATUS,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.ContextId)
+  # @@protoc_insertion_point(class_scope:context.ServiceStatus)
   })
-_sym_db.RegisterMessage(ContextId)
+_sym_db.RegisterMessage(ServiceStatus)
 
-Topology = _reflection.GeneratedProtocolMessageType('Topology', (_message.Message,), {
-  'DESCRIPTOR' : _TOPOLOGY,
+ServiceConfig = _reflection.GeneratedProtocolMessageType('ServiceConfig', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICECONFIG,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Topology)
+  # @@protoc_insertion_point(class_scope:context.ServiceConfig)
   })
-_sym_db.RegisterMessage(Topology)
+_sym_db.RegisterMessage(ServiceConfig)
 
-Link = _reflection.GeneratedProtocolMessageType('Link', (_message.Message,), {
-  'DESCRIPTOR' : _LINK,
+ServiceIdList = _reflection.GeneratedProtocolMessageType('ServiceIdList', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICEIDLIST,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Link)
+  # @@protoc_insertion_point(class_scope:context.ServiceIdList)
   })
-_sym_db.RegisterMessage(Link)
+_sym_db.RegisterMessage(ServiceIdList)
 
-TopologyId = _reflection.GeneratedProtocolMessageType('TopologyId', (_message.Message,), {
-  'DESCRIPTOR' : _TOPOLOGYID,
+ServiceList = _reflection.GeneratedProtocolMessageType('ServiceList', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICELIST,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.TopologyId)
+  # @@protoc_insertion_point(class_scope:context.ServiceList)
   })
-_sym_db.RegisterMessage(TopologyId)
+_sym_db.RegisterMessage(ServiceList)
 
-Constraint = _reflection.GeneratedProtocolMessageType('Constraint', (_message.Message,), {
-  'DESCRIPTOR' : _CONSTRAINT,
+ServiceEvent = _reflection.GeneratedProtocolMessageType('ServiceEvent', (_message.Message,), {
+  'DESCRIPTOR' : _SERVICEEVENT,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Constraint)
+  # @@protoc_insertion_point(class_scope:context.ServiceEvent)
   })
-_sym_db.RegisterMessage(Constraint)
+_sym_db.RegisterMessage(ServiceEvent)
 
-Device = _reflection.GeneratedProtocolMessageType('Device', (_message.Message,), {
-  'DESCRIPTOR' : _DEVICE,
+ConnectionId = _reflection.GeneratedProtocolMessageType('ConnectionId', (_message.Message,), {
+  'DESCRIPTOR' : _CONNECTIONID,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Device)
+  # @@protoc_insertion_point(class_scope:context.ConnectionId)
   })
-_sym_db.RegisterMessage(Device)
+_sym_db.RegisterMessage(ConnectionId)
 
-DeviceConfig = _reflection.GeneratedProtocolMessageType('DeviceConfig', (_message.Message,), {
-  'DESCRIPTOR' : _DEVICECONFIG,
+Connection = _reflection.GeneratedProtocolMessageType('Connection', (_message.Message,), {
+  'DESCRIPTOR' : _CONNECTION,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.DeviceConfig)
+  # @@protoc_insertion_point(class_scope:context.Connection)
   })
-_sym_db.RegisterMessage(DeviceConfig)
+_sym_db.RegisterMessage(Connection)
 
-EndPoint = _reflection.GeneratedProtocolMessageType('EndPoint', (_message.Message,), {
-  'DESCRIPTOR' : _ENDPOINT,
+ConnectionIdList = _reflection.GeneratedProtocolMessageType('ConnectionIdList', (_message.Message,), {
+  'DESCRIPTOR' : _CONNECTIONIDLIST,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.EndPoint)
+  # @@protoc_insertion_point(class_scope:context.ConnectionIdList)
   })
-_sym_db.RegisterMessage(EndPoint)
+_sym_db.RegisterMessage(ConnectionIdList)
+
+ConnectionList = _reflection.GeneratedProtocolMessageType('ConnectionList', (_message.Message,), {
+  'DESCRIPTOR' : _CONNECTIONLIST,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.ConnectionList)
+  })
+_sym_db.RegisterMessage(ConnectionList)
+
+ConnectionEvent = _reflection.GeneratedProtocolMessageType('ConnectionEvent', (_message.Message,), {
+  'DESCRIPTOR' : _CONNECTIONEVENT,
+  '__module__' : 'context_pb2'
+  # @@protoc_insertion_point(class_scope:context.ConnectionEvent)
+  })
+_sym_db.RegisterMessage(ConnectionEvent)
 
 EndPointId = _reflection.GeneratedProtocolMessageType('EndPointId', (_message.Message,), {
   'DESCRIPTOR' : _ENDPOINTID,
@@ -795,26 +2247,26 @@ EndPointId = _reflection.GeneratedProtocolMessageType('EndPointId', (_message.Me
   })
 _sym_db.RegisterMessage(EndPointId)
 
-DeviceId = _reflection.GeneratedProtocolMessageType('DeviceId', (_message.Message,), {
-  'DESCRIPTOR' : _DEVICEID,
+EndPoint = _reflection.GeneratedProtocolMessageType('EndPoint', (_message.Message,), {
+  'DESCRIPTOR' : _ENDPOINT,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.DeviceId)
+  # @@protoc_insertion_point(class_scope:context.EndPoint)
   })
-_sym_db.RegisterMessage(DeviceId)
+_sym_db.RegisterMessage(EndPoint)
 
-LinkId = _reflection.GeneratedProtocolMessageType('LinkId', (_message.Message,), {
-  'DESCRIPTOR' : _LINKID,
+ConfigRule = _reflection.GeneratedProtocolMessageType('ConfigRule', (_message.Message,), {
+  'DESCRIPTOR' : _CONFIGRULE,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.LinkId)
+  # @@protoc_insertion_point(class_scope:context.ConfigRule)
   })
-_sym_db.RegisterMessage(LinkId)
+_sym_db.RegisterMessage(ConfigRule)
 
-Uuid = _reflection.GeneratedProtocolMessageType('Uuid', (_message.Message,), {
-  'DESCRIPTOR' : _UUID,
+Constraint = _reflection.GeneratedProtocolMessageType('Constraint', (_message.Message,), {
+  'DESCRIPTOR' : _CONSTRAINT,
   '__module__' : 'context_pb2'
-  # @@protoc_insertion_point(class_scope:context.Uuid)
+  # @@protoc_insertion_point(class_scope:context.Constraint)
   })
-_sym_db.RegisterMessage(Uuid)
+_sym_db.RegisterMessage(Constraint)
 
 TeraFlowController = _reflection.GeneratedProtocolMessageType('TeraFlowController', (_message.Message,), {
   'DESCRIPTOR' : _TERAFLOWCONTROLLER,
@@ -839,39 +2291,369 @@ _CONTEXTSERVICE = _descriptor.ServiceDescriptor(
   index=0,
   serialized_options=None,
   create_key=_descriptor._internal_create_key,
-  serialized_start=1352,
-  serialized_end=1514,
+  serialized_start=4524,
+  serialized_end=6617,
   methods=[
   _descriptor.MethodDescriptor(
-    name='GetTopology',
-    full_name='context.ContextService.GetTopology',
+    name='ListContextIds',
+    full_name='context.ContextService.ListContextIds',
     index=0,
     containing_service=None,
     input_type=_EMPTY,
-    output_type=_TOPOLOGY,
+    output_type=_CONTEXTIDLIST,
     serialized_options=None,
     create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
-    name='AddLink',
-    full_name='context.ContextService.AddLink',
+    name='ListContexts',
+    full_name='context.ContextService.ListContexts',
     index=1,
     containing_service=None,
+    input_type=_EMPTY,
+    output_type=_CONTEXTLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetContext',
+    full_name='context.ContextService.GetContext',
+    index=2,
+    containing_service=None,
+    input_type=_CONTEXTID,
+    output_type=_CONTEXT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='SetContext',
+    full_name='context.ContextService.SetContext',
+    index=3,
+    containing_service=None,
+    input_type=_CONTEXT,
+    output_type=_CONTEXTID,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='RemoveContext',
+    full_name='context.ContextService.RemoveContext',
+    index=4,
+    containing_service=None,
+    input_type=_CONTEXTID,
+    output_type=_EMPTY,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetContextEvents',
+    full_name='context.ContextService.GetContextEvents',
+    index=5,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_CONTEXTEVENT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListTopologyIds',
+    full_name='context.ContextService.ListTopologyIds',
+    index=6,
+    containing_service=None,
+    input_type=_CONTEXTID,
+    output_type=_TOPOLOGYIDLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListTopologies',
+    full_name='context.ContextService.ListTopologies',
+    index=7,
+    containing_service=None,
+    input_type=_CONTEXTID,
+    output_type=_TOPOLOGYLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetTopology',
+    full_name='context.ContextService.GetTopology',
+    index=8,
+    containing_service=None,
+    input_type=_TOPOLOGYID,
+    output_type=_TOPOLOGY,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='SetTopology',
+    full_name='context.ContextService.SetTopology',
+    index=9,
+    containing_service=None,
+    input_type=_TOPOLOGY,
+    output_type=_TOPOLOGYID,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='RemoveTopology',
+    full_name='context.ContextService.RemoveTopology',
+    index=10,
+    containing_service=None,
+    input_type=_TOPOLOGYID,
+    output_type=_EMPTY,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetTopologyEvents',
+    full_name='context.ContextService.GetTopologyEvents',
+    index=11,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_TOPOLOGYEVENT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListDeviceIds',
+    full_name='context.ContextService.ListDeviceIds',
+    index=12,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_DEVICEIDLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListDevices',
+    full_name='context.ContextService.ListDevices',
+    index=13,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_DEVICELIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetDevice',
+    full_name='context.ContextService.GetDevice',
+    index=14,
+    containing_service=None,
+    input_type=_DEVICEID,
+    output_type=_DEVICE,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='SetDevice',
+    full_name='context.ContextService.SetDevice',
+    index=15,
+    containing_service=None,
+    input_type=_DEVICE,
+    output_type=_DEVICEID,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='RemoveDevice',
+    full_name='context.ContextService.RemoveDevice',
+    index=16,
+    containing_service=None,
+    input_type=_DEVICEID,
+    output_type=_EMPTY,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetDeviceEvents',
+    full_name='context.ContextService.GetDeviceEvents',
+    index=17,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_DEVICEEVENT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListLinkIds',
+    full_name='context.ContextService.ListLinkIds',
+    index=18,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_LINKIDLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListLinks',
+    full_name='context.ContextService.ListLinks',
+    index=19,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_LINKLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetLink',
+    full_name='context.ContextService.GetLink',
+    index=20,
+    containing_service=None,
+    input_type=_LINKID,
+    output_type=_LINK,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='SetLink',
+    full_name='context.ContextService.SetLink',
+    index=21,
+    containing_service=None,
     input_type=_LINK,
     output_type=_LINKID,
     serialized_options=None,
     create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
-    name='DeleteLink',
-    full_name='context.ContextService.DeleteLink',
-    index=2,
+    name='RemoveLink',
+    full_name='context.ContextService.RemoveLink',
+    index=22,
     containing_service=None,
     input_type=_LINKID,
     output_type=_EMPTY,
     serialized_options=None,
     create_key=_descriptor._internal_create_key,
   ),
+  _descriptor.MethodDescriptor(
+    name='GetLinkEvents',
+    full_name='context.ContextService.GetLinkEvents',
+    index=23,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_LINKEVENT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListServiceIds',
+    full_name='context.ContextService.ListServiceIds',
+    index=24,
+    containing_service=None,
+    input_type=_CONTEXTID,
+    output_type=_SERVICEIDLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListServices',
+    full_name='context.ContextService.ListServices',
+    index=25,
+    containing_service=None,
+    input_type=_CONTEXTID,
+    output_type=_SERVICELIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetService',
+    full_name='context.ContextService.GetService',
+    index=26,
+    containing_service=None,
+    input_type=_SERVICEID,
+    output_type=_SERVICE,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='SetService',
+    full_name='context.ContextService.SetService',
+    index=27,
+    containing_service=None,
+    input_type=_SERVICE,
+    output_type=_SERVICEID,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='RemoveService',
+    full_name='context.ContextService.RemoveService',
+    index=28,
+    containing_service=None,
+    input_type=_SERVICEID,
+    output_type=_EMPTY,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetServiceEvents',
+    full_name='context.ContextService.GetServiceEvents',
+    index=29,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_SERVICEEVENT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListConnectionIds',
+    full_name='context.ContextService.ListConnectionIds',
+    index=30,
+    containing_service=None,
+    input_type=_SERVICEID,
+    output_type=_CONNECTIONIDLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='ListConnections',
+    full_name='context.ContextService.ListConnections',
+    index=31,
+    containing_service=None,
+    input_type=_SERVICEID,
+    output_type=_CONNECTIONLIST,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetConnection',
+    full_name='context.ContextService.GetConnection',
+    index=32,
+    containing_service=None,
+    input_type=_CONNECTIONID,
+    output_type=_CONNECTION,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='SetConnection',
+    full_name='context.ContextService.SetConnection',
+    index=33,
+    containing_service=None,
+    input_type=_CONNECTION,
+    output_type=_CONNECTIONID,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='RemoveConnection',
+    full_name='context.ContextService.RemoveConnection',
+    index=34,
+    containing_service=None,
+    input_type=_CONNECTIONID,
+    output_type=_EMPTY,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
+  _descriptor.MethodDescriptor(
+    name='GetConnectionEvents',
+    full_name='context.ContextService.GetConnectionEvents',
+    index=35,
+    containing_service=None,
+    input_type=_EMPTY,
+    output_type=_CONNECTIONEVENT,
+    serialized_options=None,
+    create_key=_descriptor._internal_create_key,
+  ),
 ])
 _sym_db.RegisterServiceDescriptor(_CONTEXTSERVICE)
 
diff --git a/src/slice/proto/kpi_sample_types_pb2.py b/src/slice/proto/kpi_sample_types_pb2.py
new file mode 100644
index 0000000000000000000000000000000000000000..ea7fd2f82757d4c3db02d7e2c7817e2787b0b490
--- /dev/null
+++ b/src/slice/proto/kpi_sample_types_pb2.py
@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: kpi_sample_types.proto
+"""Generated protocol buffer code."""
+from google.protobuf.internal import enum_type_wrapper
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='kpi_sample_types.proto',
+  package='kpi_sample_types',
+  syntax='proto3',
+  serialized_options=None,
+  create_key=_descriptor._internal_create_key,
+  serialized_pb=b'\n\x16kpi_sample_types.proto\x12\x10kpi_sample_types*\xbe\x01\n\rKpiSampleType\x12\x19\n\x15KPISAMPLETYPE_UNKNOWN\x10\x00\x12%\n!KPISAMPLETYPE_PACKETS_TRANSMITTED\x10\x65\x12\"\n\x1eKPISAMPLETYPE_PACKETS_RECEIVED\x10\x66\x12$\n\x1fKPISAMPLETYPE_BYTES_TRANSMITTED\x10\xc9\x01\x12!\n\x1cKPISAMPLETYPE_BYTES_RECEIVED\x10\xca\x01\x62\x06proto3'
+)
+
+_KPISAMPLETYPE = _descriptor.EnumDescriptor(
+  name='KpiSampleType',
+  full_name='kpi_sample_types.KpiSampleType',
+  filename=None,
+  file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='KPISAMPLETYPE_UNKNOWN', index=0, number=0,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='KPISAMPLETYPE_PACKETS_TRANSMITTED', index=1, number=101,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='KPISAMPLETYPE_PACKETS_RECEIVED', index=2, number=102,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='KPISAMPLETYPE_BYTES_TRANSMITTED', index=3, number=201,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='KPISAMPLETYPE_BYTES_RECEIVED', index=4, number=202,
+      serialized_options=None,
+      type=None,
+      create_key=_descriptor._internal_create_key),
+  ],
+  containing_type=None,
+  serialized_options=None,
+  serialized_start=45,
+  serialized_end=235,
+)
+_sym_db.RegisterEnumDescriptor(_KPISAMPLETYPE)
+
+KpiSampleType = enum_type_wrapper.EnumTypeWrapper(_KPISAMPLETYPE)
+KPISAMPLETYPE_UNKNOWN = 0
+KPISAMPLETYPE_PACKETS_TRANSMITTED = 101
+KPISAMPLETYPE_PACKETS_RECEIVED = 102
+KPISAMPLETYPE_BYTES_TRANSMITTED = 201
+KPISAMPLETYPE_BYTES_RECEIVED = 202
+
+
+DESCRIPTOR.enum_types_by_name['KpiSampleType'] = _KPISAMPLETYPE
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+
+# @@protoc_insertion_point(module_scope)
diff --git a/src/slice/proto/service_pb2.py b/src/slice/proto/service_pb2.py
index ed248a038c6f6550994ebb204cbb4f626292c65c..8e2806c7685e24ab90a3d59a19f1e4f99ebc9712 100644
--- a/src/slice/proto/service_pb2.py
+++ b/src/slice/proto/service_pb2.py
@@ -2,7 +2,6 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: service.proto
 """Generated protocol buffer code."""
-from google.protobuf.internal import enum_type_wrapper
 from google.protobuf import descriptor as _descriptor
 from google.protobuf import message as _message
 from google.protobuf import reflection as _reflection
@@ -21,522 +20,14 @@ DESCRIPTOR = _descriptor.FileDescriptor(
   syntax='proto3',
   serialized_options=None,
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n\rservice.proto\x12\x07service\x1a\rcontext.proto\"+\n\x0bServiceList\x12\x1c\n\x02\x63s\x18\x01 \x03(\x0b\x32\x10.service.Service\"\x87\x02\n\x07Service\x12!\n\x05\x63s_id\x18\x01 \x01(\x0b\x32\x12.service.ServiceId\x12)\n\x0bserviceType\x18\x02 \x01(\x0e\x32\x14.service.ServiceType\x12)\n\x0c\x65ndpointList\x18\x03 \x03(\x0b\x32\x13.context.EndPointId\x12\'\n\nconstraint\x18\x04 \x03(\x0b\x32\x13.context.Constraint\x12+\n\x0cserviceState\x18\x05 \x01(\x0b\x32\x15.service.ServiceState\x12-\n\rserviceConfig\x18\x06 \x01(\x0b\x32\x16.service.ServiceConfig\"&\n\rServiceConfig\x12\x15\n\rserviceConfig\x18\x01 \x01(\t\"P\n\tServiceId\x12%\n\tcontextId\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x1c\n\x05\x63s_id\x18\x02 \x01(\x0b\x32\r.context.Uuid\":\n\rServiceIdList\x12)\n\rserviceIdList\x18\x01 \x03(\x0b\x32\x12.service.ServiceId\"?\n\x0cServiceState\x12/\n\x0cserviceState\x18\x01 \x01(\x0e\x32\x19.service.ServiceStateEnum\"=\n\x0e\x43onnectionList\x12+\n\x0e\x63onnectionList\x18\x01 \x03(\x0b\x32\x13.service.Connection\"\x84\x01\n\nConnection\x12%\n\x06\x63on_id\x18\x01 \x01(\x0b\x32\x15.service.ConnectionId\x12,\n\x10relatedServiceId\x18\x02 \x01(\x0b\x32\x12.service.ServiceId\x12!\n\x04path\x18\x03 \x03(\x0b\x32\x13.context.EndPointId\"-\n\x0c\x43onnectionId\x12\x1d\n\x06\x63on_id\x18\x01 \x01(\x0b\x32\r.context.Uuid*M\n\x0bServiceType\x12\x0b\n\x07UNKNOWN\x10\x00\x12\x08\n\x04L3NM\x10\x01\x12\x08\n\x04L2NM\x10\x02\x12\x1d\n\x19TAPI_CONNECTIVITY_SERVICE\x10\x03*@\n\x10ServiceStateEnum\x12\x0b\n\x07PLANNED\x10\x00\x12\n\n\x06\x41\x43TIVE\x10\x01\x12\x13\n\x0fPENDING_REMOVAL\x10\x02\x32\xed\x02\n\x0eServiceService\x12\x38\n\x0eGetServiceList\x12\x0e.context.Empty\x1a\x14.service.ServiceList\"\x00\x12\x37\n\rCreateService\x12\x10.service.Service\x1a\x12.service.ServiceId\"\x00\x12\x37\n\rUpdateService\x12\x10.service.Service\x1a\x12.service.ServiceId\"\x00\x12\x35\n\rDeleteService\x12\x12.service.ServiceId\x1a\x0e.context.Empty\"\x00\x12\x38\n\x0eGetServiceById\x12\x12.service.ServiceId\x1a\x10.service.Service\"\x00\x12>\n\x11GetConnectionList\x12\x0e.context.Empty\x1a\x17.service.ConnectionList\"\x00\x62\x06proto3'
+  serialized_pb=b'\n\rservice.proto\x12\x07service\x1a\rcontext.proto2\xb9\x01\n\x0eServiceService\x12\x37\n\rCreateService\x12\x10.context.Service\x1a\x12.context.ServiceId\"\x00\x12\x37\n\rUpdateService\x12\x10.context.Service\x1a\x12.context.ServiceId\"\x00\x12\x35\n\rDeleteService\x12\x12.context.ServiceId\x1a\x0e.context.Empty\"\x00\x62\x06proto3'
   ,
   dependencies=[context__pb2.DESCRIPTOR,])
 
-_SERVICETYPE = _descriptor.EnumDescriptor(
-  name='ServiceType',
-  full_name='service.ServiceType',
-  filename=None,
-  file=DESCRIPTOR,
-  create_key=_descriptor._internal_create_key,
-  values=[
-    _descriptor.EnumValueDescriptor(
-      name='UNKNOWN', index=0, number=0,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='L3NM', index=1, number=1,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='L2NM', index=2, number=2,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='TAPI_CONNECTIVITY_SERVICE', index=3, number=3,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-  ],
-  containing_type=None,
-  serialized_options=None,
-  serialized_start=844,
-  serialized_end=921,
-)
-_sym_db.RegisterEnumDescriptor(_SERVICETYPE)
-
-ServiceType = enum_type_wrapper.EnumTypeWrapper(_SERVICETYPE)
-_SERVICESTATEENUM = _descriptor.EnumDescriptor(
-  name='ServiceStateEnum',
-  full_name='service.ServiceStateEnum',
-  filename=None,
-  file=DESCRIPTOR,
-  create_key=_descriptor._internal_create_key,
-  values=[
-    _descriptor.EnumValueDescriptor(
-      name='PLANNED', index=0, number=0,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='ACTIVE', index=1, number=1,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='PENDING_REMOVAL', index=2, number=2,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-  ],
-  containing_type=None,
-  serialized_options=None,
-  serialized_start=923,
-  serialized_end=987,
-)
-_sym_db.RegisterEnumDescriptor(_SERVICESTATEENUM)
-
-ServiceStateEnum = enum_type_wrapper.EnumTypeWrapper(_SERVICESTATEENUM)
-UNKNOWN = 0
-L3NM = 1
-L2NM = 2
-TAPI_CONNECTIVITY_SERVICE = 3
-PLANNED = 0
-ACTIVE = 1
-PENDING_REMOVAL = 2
-
-
-
-_SERVICELIST = _descriptor.Descriptor(
-  name='ServiceList',
-  full_name='service.ServiceList',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='cs', full_name='service.ServiceList.cs', index=0,
-      number=1, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=41,
-  serialized_end=84,
-)
-
-
-_SERVICE = _descriptor.Descriptor(
-  name='Service',
-  full_name='service.Service',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='cs_id', full_name='service.Service.cs_id', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='serviceType', full_name='service.Service.serviceType', index=1,
-      number=2, type=14, cpp_type=8, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='endpointList', full_name='service.Service.endpointList', index=2,
-      number=3, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='constraint', full_name='service.Service.constraint', index=3,
-      number=4, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='serviceState', full_name='service.Service.serviceState', index=4,
-      number=5, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='serviceConfig', full_name='service.Service.serviceConfig', index=5,
-      number=6, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=87,
-  serialized_end=350,
-)
-
-
-_SERVICECONFIG = _descriptor.Descriptor(
-  name='ServiceConfig',
-  full_name='service.ServiceConfig',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='serviceConfig', full_name='service.ServiceConfig.serviceConfig', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=352,
-  serialized_end=390,
-)
-
-
-_SERVICEID = _descriptor.Descriptor(
-  name='ServiceId',
-  full_name='service.ServiceId',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='contextId', full_name='service.ServiceId.contextId', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='cs_id', full_name='service.ServiceId.cs_id', index=1,
-      number=2, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=392,
-  serialized_end=472,
-)
-
-
-_SERVICEIDLIST = _descriptor.Descriptor(
-  name='ServiceIdList',
-  full_name='service.ServiceIdList',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='serviceIdList', full_name='service.ServiceIdList.serviceIdList', index=0,
-      number=1, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=474,
-  serialized_end=532,
-)
-
-
-_SERVICESTATE = _descriptor.Descriptor(
-  name='ServiceState',
-  full_name='service.ServiceState',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='serviceState', full_name='service.ServiceState.serviceState', index=0,
-      number=1, type=14, cpp_type=8, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=534,
-  serialized_end=597,
-)
-
-
-_CONNECTIONLIST = _descriptor.Descriptor(
-  name='ConnectionList',
-  full_name='service.ConnectionList',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='connectionList', full_name='service.ConnectionList.connectionList', index=0,
-      number=1, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=599,
-  serialized_end=660,
-)
-
-
-_CONNECTION = _descriptor.Descriptor(
-  name='Connection',
-  full_name='service.Connection',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='con_id', full_name='service.Connection.con_id', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='relatedServiceId', full_name='service.Connection.relatedServiceId', index=1,
-      number=2, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='path', full_name='service.Connection.path', index=2,
-      number=3, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=663,
-  serialized_end=795,
-)
 
 
-_CONNECTIONID = _descriptor.Descriptor(
-  name='ConnectionId',
-  full_name='service.ConnectionId',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='con_id', full_name='service.ConnectionId.con_id', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=797,
-  serialized_end=842,
-)
-
-_SERVICELIST.fields_by_name['cs'].message_type = _SERVICE
-_SERVICE.fields_by_name['cs_id'].message_type = _SERVICEID
-_SERVICE.fields_by_name['serviceType'].enum_type = _SERVICETYPE
-_SERVICE.fields_by_name['endpointList'].message_type = context__pb2._ENDPOINTID
-_SERVICE.fields_by_name['constraint'].message_type = context__pb2._CONSTRAINT
-_SERVICE.fields_by_name['serviceState'].message_type = _SERVICESTATE
-_SERVICE.fields_by_name['serviceConfig'].message_type = _SERVICECONFIG
-_SERVICEID.fields_by_name['contextId'].message_type = context__pb2._CONTEXTID
-_SERVICEID.fields_by_name['cs_id'].message_type = context__pb2._UUID
-_SERVICEIDLIST.fields_by_name['serviceIdList'].message_type = _SERVICEID
-_SERVICESTATE.fields_by_name['serviceState'].enum_type = _SERVICESTATEENUM
-_CONNECTIONLIST.fields_by_name['connectionList'].message_type = _CONNECTION
-_CONNECTION.fields_by_name['con_id'].message_type = _CONNECTIONID
-_CONNECTION.fields_by_name['relatedServiceId'].message_type = _SERVICEID
-_CONNECTION.fields_by_name['path'].message_type = context__pb2._ENDPOINTID
-_CONNECTIONID.fields_by_name['con_id'].message_type = context__pb2._UUID
-DESCRIPTOR.message_types_by_name['ServiceList'] = _SERVICELIST
-DESCRIPTOR.message_types_by_name['Service'] = _SERVICE
-DESCRIPTOR.message_types_by_name['ServiceConfig'] = _SERVICECONFIG
-DESCRIPTOR.message_types_by_name['ServiceId'] = _SERVICEID
-DESCRIPTOR.message_types_by_name['ServiceIdList'] = _SERVICEIDLIST
-DESCRIPTOR.message_types_by_name['ServiceState'] = _SERVICESTATE
-DESCRIPTOR.message_types_by_name['ConnectionList'] = _CONNECTIONLIST
-DESCRIPTOR.message_types_by_name['Connection'] = _CONNECTION
-DESCRIPTOR.message_types_by_name['ConnectionId'] = _CONNECTIONID
-DESCRIPTOR.enum_types_by_name['ServiceType'] = _SERVICETYPE
-DESCRIPTOR.enum_types_by_name['ServiceStateEnum'] = _SERVICESTATEENUM
 _sym_db.RegisterFileDescriptor(DESCRIPTOR)
 
-ServiceList = _reflection.GeneratedProtocolMessageType('ServiceList', (_message.Message,), {
-  'DESCRIPTOR' : _SERVICELIST,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ServiceList)
-  })
-_sym_db.RegisterMessage(ServiceList)
-
-Service = _reflection.GeneratedProtocolMessageType('Service', (_message.Message,), {
-  'DESCRIPTOR' : _SERVICE,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.Service)
-  })
-_sym_db.RegisterMessage(Service)
-
-ServiceConfig = _reflection.GeneratedProtocolMessageType('ServiceConfig', (_message.Message,), {
-  'DESCRIPTOR' : _SERVICECONFIG,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ServiceConfig)
-  })
-_sym_db.RegisterMessage(ServiceConfig)
-
-ServiceId = _reflection.GeneratedProtocolMessageType('ServiceId', (_message.Message,), {
-  'DESCRIPTOR' : _SERVICEID,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ServiceId)
-  })
-_sym_db.RegisterMessage(ServiceId)
-
-ServiceIdList = _reflection.GeneratedProtocolMessageType('ServiceIdList', (_message.Message,), {
-  'DESCRIPTOR' : _SERVICEIDLIST,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ServiceIdList)
-  })
-_sym_db.RegisterMessage(ServiceIdList)
-
-ServiceState = _reflection.GeneratedProtocolMessageType('ServiceState', (_message.Message,), {
-  'DESCRIPTOR' : _SERVICESTATE,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ServiceState)
-  })
-_sym_db.RegisterMessage(ServiceState)
-
-ConnectionList = _reflection.GeneratedProtocolMessageType('ConnectionList', (_message.Message,), {
-  'DESCRIPTOR' : _CONNECTIONLIST,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ConnectionList)
-  })
-_sym_db.RegisterMessage(ConnectionList)
-
-Connection = _reflection.GeneratedProtocolMessageType('Connection', (_message.Message,), {
-  'DESCRIPTOR' : _CONNECTION,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.Connection)
-  })
-_sym_db.RegisterMessage(Connection)
-
-ConnectionId = _reflection.GeneratedProtocolMessageType('ConnectionId', (_message.Message,), {
-  'DESCRIPTOR' : _CONNECTIONID,
-  '__module__' : 'service_pb2'
-  # @@protoc_insertion_point(class_scope:service.ConnectionId)
-  })
-_sym_db.RegisterMessage(ConnectionId)
-
 
 
 _SERVICESERVICE = _descriptor.ServiceDescriptor(
@@ -546,69 +37,39 @@ _SERVICESERVICE = _descriptor.ServiceDescriptor(
   index=0,
   serialized_options=None,
   create_key=_descriptor._internal_create_key,
-  serialized_start=990,
-  serialized_end=1355,
+  serialized_start=42,
+  serialized_end=227,
   methods=[
-  _descriptor.MethodDescriptor(
-    name='GetServiceList',
-    full_name='service.ServiceService.GetServiceList',
-    index=0,
-    containing_service=None,
-    input_type=context__pb2._EMPTY,
-    output_type=_SERVICELIST,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
   _descriptor.MethodDescriptor(
     name='CreateService',
     full_name='service.ServiceService.CreateService',
-    index=1,
+    index=0,
     containing_service=None,
-    input_type=_SERVICE,
-    output_type=_SERVICEID,
+    input_type=context__pb2._SERVICE,
+    output_type=context__pb2._SERVICEID,
     serialized_options=None,
     create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='UpdateService',
     full_name='service.ServiceService.UpdateService',
-    index=2,
+    index=1,
     containing_service=None,
-    input_type=_SERVICE,
-    output_type=_SERVICEID,
+    input_type=context__pb2._SERVICE,
+    output_type=context__pb2._SERVICEID,
     serialized_options=None,
     create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='DeleteService',
     full_name='service.ServiceService.DeleteService',
-    index=3,
+    index=2,
     containing_service=None,
-    input_type=_SERVICEID,
+    input_type=context__pb2._SERVICEID,
     output_type=context__pb2._EMPTY,
     serialized_options=None,
     create_key=_descriptor._internal_create_key,
   ),
-  _descriptor.MethodDescriptor(
-    name='GetServiceById',
-    full_name='service.ServiceService.GetServiceById',
-    index=4,
-    containing_service=None,
-    input_type=_SERVICEID,
-    output_type=_SERVICE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='GetConnectionList',
-    full_name='service.ServiceService.GetConnectionList',
-    index=5,
-    containing_service=None,
-    input_type=context__pb2._EMPTY,
-    output_type=_CONNECTIONLIST,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
 ])
 _sym_db.RegisterServiceDescriptor(_SERVICESERVICE)
 
diff --git a/src/slice/proto/slice_pb2.py b/src/slice/proto/slice_pb2.py
index 06160c4263715d9f4c278a906fdcf2b9d51eef0f..91dbaaae342ac2ac8d52329c2bb32ece8fa1a08d 100644
--- a/src/slice/proto/slice_pb2.py
+++ b/src/slice/proto/slice_pb2.py
@@ -13,7 +13,6 @@ _sym_db = _symbol_database.Default()
 
 
 from . import context_pb2 as context__pb2
-from . import service_pb2 as service__pb2
 
 
 DESCRIPTOR = _descriptor.FileDescriptor(
@@ -22,9 +21,9 @@ DESCRIPTOR = _descriptor.FileDescriptor(
   syntax='proto3',
   serialized_options=None,
   create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n\x0bslice.proto\x12\x05slice\x1a\rcontext.proto\x1a\rservice.proto\"3\n\rSliceEndpoint\x12\"\n\x07port_id\x18\x01 \x01(\x0b\x32\x11.context.EndPoint\"\xf4\x01\n\x0eTransportSlice\x12 \n\x08slice_id\x18\x01 \x01(\x0b\x32\x0e.slice.SliceId\x12\'\n\tendpoints\x18\x02 \x03(\x0b\x32\x14.slice.SliceEndpoint\x12(\n\x0b\x63onstraints\x18\x03 \x03(\x0b\x32\x13.context.Constraint\x12$\n\x08services\x18\x04 \x03(\x0b\x32\x12.service.ServiceId\x12#\n\x0bsubSlicesId\x18\x05 \x03(\x0b\x32\x0e.slice.SliceId\x12\"\n\x06status\x18\x06 \x01(\x0b\x32\x12.slice.SliceStatus\"Q\n\x07SliceId\x12%\n\tcontextId\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x1f\n\x08slice_id\x18\x02 \x01(\x0b\x32\r.context.Uuid\"W\n\x0bSliceStatus\x12 \n\x08slice_id\x18\x01 \x01(\x0b\x32\x0e.slice.SliceId\x12&\n\x06status\x18\x02 \x01(\x0e\x32\x16.slice.SliceStatusEnum*@\n\x0fSliceStatusEnum\x12\x0b\n\x07PLANNED\x10\x00\x12\x08\n\x04INIT\x10\x01\x12\n\n\x06\x41\x43TIVE\x10\x02\x12\n\n\x06\x44\x45INIT\x10\x03\x32\x88\x01\n\x0cSliceService\x12@\n\x11\x43reateUpdateSlice\x12\x15.slice.TransportSlice\x1a\x12.slice.SliceStatus\"\x00\x12\x36\n\x0b\x44\x65leteSlice\x12\x15.slice.TransportSlice\x1a\x0e.context.Empty\"\x00\x62\x06proto3'
+  serialized_pb=b'\n\x0bslice.proto\x12\x05slice\x1a\rcontext.proto\"3\n\rSliceEndpoint\x12\"\n\x07port_id\x18\x01 \x01(\x0b\x32\x11.context.EndPoint\"\xf4\x01\n\x0eTransportSlice\x12 \n\x08slice_id\x18\x01 \x01(\x0b\x32\x0e.slice.SliceId\x12\'\n\tendpoints\x18\x02 \x03(\x0b\x32\x14.slice.SliceEndpoint\x12(\n\x0b\x63onstraints\x18\x03 \x03(\x0b\x32\x13.context.Constraint\x12$\n\x08services\x18\x04 \x03(\x0b\x32\x12.context.ServiceId\x12#\n\x0bsubSlicesId\x18\x05 \x03(\x0b\x32\x0e.slice.SliceId\x12\"\n\x06status\x18\x06 \x01(\x0b\x32\x12.slice.SliceStatus\"Q\n\x07SliceId\x12%\n\tcontextId\x18\x01 \x01(\x0b\x32\x12.context.ContextId\x12\x1f\n\x08slice_id\x18\x02 \x01(\x0b\x32\r.context.Uuid\"W\n\x0bSliceStatus\x12 \n\x08slice_id\x18\x01 \x01(\x0b\x32\x0e.slice.SliceId\x12&\n\x06status\x18\x02 \x01(\x0e\x32\x16.slice.SliceStatusEnum*@\n\x0fSliceStatusEnum\x12\x0b\n\x07PLANNED\x10\x00\x12\x08\n\x04INIT\x10\x01\x12\n\n\x06\x41\x43TIVE\x10\x02\x12\n\n\x06\x44\x45INIT\x10\x03\x32\x88\x01\n\x0cSliceService\x12@\n\x11\x43reateUpdateSlice\x12\x15.slice.TransportSlice\x1a\x12.slice.SliceStatus\"\x00\x12\x36\n\x0b\x44\x65leteSlice\x12\x15.slice.TransportSlice\x1a\x0e.context.Empty\"\x00\x62\x06proto3'
   ,
-  dependencies=[context__pb2.DESCRIPTOR,service__pb2.DESCRIPTOR,])
+  dependencies=[context__pb2.DESCRIPTOR,])
 
 _SLICESTATUSENUM = _descriptor.EnumDescriptor(
   name='SliceStatusEnum',
@@ -56,8 +55,8 @@ _SLICESTATUSENUM = _descriptor.EnumDescriptor(
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=524,
-  serialized_end=588,
+  serialized_start=509,
+  serialized_end=573,
 )
 _sym_db.RegisterEnumDescriptor(_SLICESTATUSENUM)
 
@@ -96,8 +95,8 @@ _SLICEENDPOINT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=52,
-  serialized_end=103,
+  serialized_start=37,
+  serialized_end=88,
 )
 
 
@@ -163,8 +162,8 @@ _TRANSPORTSLICE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=106,
-  serialized_end=350,
+  serialized_start=91,
+  serialized_end=335,
 )
 
 
@@ -202,8 +201,8 @@ _SLICEID = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=352,
-  serialized_end=433,
+  serialized_start=337,
+  serialized_end=418,
 )
 
 
@@ -241,15 +240,15 @@ _SLICESTATUS = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=435,
-  serialized_end=522,
+  serialized_start=420,
+  serialized_end=507,
 )
 
 _SLICEENDPOINT.fields_by_name['port_id'].message_type = context__pb2._ENDPOINT
 _TRANSPORTSLICE.fields_by_name['slice_id'].message_type = _SLICEID
 _TRANSPORTSLICE.fields_by_name['endpoints'].message_type = _SLICEENDPOINT
 _TRANSPORTSLICE.fields_by_name['constraints'].message_type = context__pb2._CONSTRAINT
-_TRANSPORTSLICE.fields_by_name['services'].message_type = service__pb2._SERVICEID
+_TRANSPORTSLICE.fields_by_name['services'].message_type = context__pb2._SERVICEID
 _TRANSPORTSLICE.fields_by_name['subSlicesId'].message_type = _SLICEID
 _TRANSPORTSLICE.fields_by_name['status'].message_type = _SLICESTATUS
 _SLICEID.fields_by_name['contextId'].message_type = context__pb2._CONTEXTID
@@ -300,8 +299,8 @@ _SLICESERVICE = _descriptor.ServiceDescriptor(
   index=0,
   serialized_options=None,
   create_key=_descriptor._internal_create_key,
-  serialized_start=591,
-  serialized_end=727,
+  serialized_start=576,
+  serialized_end=712,
   methods=[
   _descriptor.MethodDescriptor(
     name='CreateUpdateSlice',
diff --git a/src/slice/requirements.in b/src/slice/requirements.in
index 25abdad1b5767117956a88b816399635348884c7..58c398e7de1c46bac98483f3171b7fd37df98370 100644
--- a/src/slice/requirements.in
+++ b/src/slice/requirements.in
@@ -1,6 +1,5 @@
-grpcio-health-checking
-grpcio
-prometheus-client
-pytest
-pytest-benchmark
-redis
+grpcio==1.43.0
+grpcio-health-checking==1.43.0
+prometheus-client==0.13.0
+pytest==6.2.5
+pytest-benchmark==3.4.1
diff --git a/src/slice/service/SliceService.py b/src/slice/service/SliceService.py
index 2335cdd313ed20693ad941d969d1da0822667a55..cddc4efe95ca239c54cb403ea6d89ff3a7e269b9 100644
--- a/src/slice/service/SliceService.py
+++ b/src/slice/service/SliceService.py
@@ -1,5 +1,18 @@
-import grpc
-import logging
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import grpc, logging
 from concurrent import futures
 from grpc_health.v1.health import HealthServicer, OVERALL_HEALTH
 from grpc_health.v1.health_pb2 import HealthCheckResponse
@@ -12,9 +25,10 @@ BIND_ADDRESS = '0.0.0.0'
 LOGGER = logging.getLogger(__name__)
 
 class SliceService:
-    def __init__(self, database, address=BIND_ADDRESS, port=GRPC_SERVICE_PORT, max_workers=GRPC_MAX_WORKERS,
-                 grace_period=GRPC_GRACE_PERIOD):
-        self.database = database
+    def __init__(
+        self, # database,
+        address=BIND_ADDRESS, port=GRPC_SERVICE_PORT, max_workers=GRPC_MAX_WORKERS, grace_period=GRPC_GRACE_PERIOD):
+        #self.database = database
         self.address = address
         self.port = port
         self.endpoint = None
@@ -26,14 +40,16 @@ class SliceService:
         self.server = None
 
     def start(self):
-        self.endpoint = '{}:{}'.format(self.address, self.port)
-        LOGGER.debug('Starting Service (tentative endpoint: {}, max_workers: {})...'.format(
-            self.endpoint, self.max_workers))
+        self.endpoint = '{:s}:{:s}'.format(str(self.address), str(self.port))
+        LOGGER.info('Starting Service (tentative endpoint: {:s}, max_workers: {:s})...'.format(
+            str(self.endpoint), str(self.max_workers)))
 
         self.pool = futures.ThreadPoolExecutor(max_workers=self.max_workers)
         self.server = grpc.server(self.pool) # , interceptors=(tracer_interceptor,))
 
-        self.slice_servicer = SliceServiceServicerImpl(self.database)
+        self.slice_servicer = SliceServiceServicerImpl(
+            #self.database
+            )
         add_SliceServiceServicer_to_server(self.slice_servicer, self.server)
 
         self.health_servicer = HealthServicer(
@@ -41,15 +57,15 @@ class SliceService:
         add_HealthServicer_to_server(self.health_servicer, self.server)
 
         port = self.server.add_insecure_port(self.endpoint)
-        self.endpoint = '{}:{}'.format(self.address, port)
-        LOGGER.info('Listening on {}...'.format(self.endpoint))
+        self.endpoint = '{:s}:{:s}'.format(str(self.address), str(port))
+        LOGGER.info('Listening on {:s}...'.format(str(self.endpoint)))
         self.server.start()
         self.health_servicer.set(OVERALL_HEALTH, HealthCheckResponse.SERVING) # pylint: disable=maybe-no-member
 
         LOGGER.debug('Service started')
 
     def stop(self):
-        LOGGER.debug('Stopping service (grace period {} seconds)...'.format(self.grace_period))
+        LOGGER.debug('Stopping service (grace period {:s} seconds)...'.format(str(self.grace_period)))
         self.health_servicer.enter_graceful_shutdown()
         self.server.stop(self.grace_period)
         LOGGER.debug('Service stopped')
diff --git a/src/slice/service/SliceServiceServicerImpl.py b/src/slice/service/SliceServiceServicerImpl.py
index fbbf607df54b16c85c585bff6651e91d42501b6a..702e0ce38ceaf0fd8df80f1f8d41d769eff1bf43 100644
--- a/src/slice/service/SliceServiceServicerImpl.py
+++ b/src/slice/service/SliceServiceServicerImpl.py
@@ -1,95 +1,38 @@
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import grpc, logging
-from prometheus_client import Counter, Histogram
-from common.database.api.context.Constants import DEFAULT_CONTEXT_ID, DEFAULT_TOPOLOGY_ID
-from common.database.api.Database import Database
-from common.exceptions.ServiceException import ServiceException
+from common.rpc_method_wrapper.Decorator import create_metrics, safe_and_metered_rpc_method
 from slice.proto.context_pb2 import Empty
 from slice.proto.slice_pb2 import SliceStatus, TransportSlice
 from slice.proto.slice_pb2_grpc import SliceServiceServicer
 
 LOGGER = logging.getLogger(__name__)
 
-CREATEUPDATESLICE_COUNTER_STARTED    = Counter  ('slice_createupdateslice_counter_started',
-                                                 'Slice:CreateUpdateSlice counter of requests started'  )
-CREATEUPDATESLICE_COUNTER_COMPLETED  = Counter  ('slice_createupdateslice_counter_completed',
-                                                 'Slice:CreateUpdateSlice counter of requests completed')
-CREATEUPDATESLICE_COUNTER_FAILED     = Counter  ('slice_createupdateslice_counter_failed',
-                                                 'Slice:CreateUpdateSlice counter of requests failed'   )
-CREATEUPDATESLICE_HISTOGRAM_DURATION = Histogram('slice_createupdateslice_histogram_duration',
-                                                 'Slice:CreateUpdateSlice histogram of request duration')
-
-DELETESLICE_COUNTER_STARTED    = Counter  ('slice_DeleteSlice_counter_started',
-                                           'Slice:DeleteSlice counter of requests started'  )
-DELETESLICE_COUNTER_COMPLETED  = Counter  ('slice_DeleteSlice_counter_completed',
-                                           'Slice:DeleteSlice counter of requests completed')
-DELETESLICE_COUNTER_FAILED     = Counter  ('slice_DeleteSlice_counter_failed',
-                                           'Slice:DeleteSlice counter of requests failed'   )
-DELETESLICE_HISTOGRAM_DURATION = Histogram('slice_DeleteSlice_histogram_duration',
-                                           'Slice:DeleteSlice histogram of request duration')
+SERVICE_NAME = 'Slice'
+METHOD_NAMES = ['CreateUpdateSlice', 'DeleteSlice']
+METRICS = create_metrics(SERVICE_NAME, METHOD_NAMES)
 
 class SliceServiceServicerImpl(SliceServiceServicer):
-    def __init__(self, database : Database):
-        LOGGER.info('Creating Servicer...')
-        self.database = database
-        LOGGER.info('Servicer Created')
-
-    @CREATEUPDATESLICE_HISTOGRAM_DURATION.time()
-    def CreateUpdateSlice(self, request : TransportSlice, grpc_context : grpc.ServicerContext) -> SliceStatus:
-        CREATEUPDATESLICE_COUNTER_STARTED.inc()
-        try:
-            LOGGER.info('CreateUpdateSlice request: {}'.format(str(request)))
-            LOGGER.warning('NOT IMPLEMENTED')
-
-            ## ----- Validate request data and pre-conditions -----------------------------------------------------------
-            #device_id, device_type, device_config, device_opstat, db_endpoints_ports = \
-            #    check_slice_request('CreateUpdateSlice', request, self.database, LOGGER)
-
-            ## ----- Implement changes in the database ------------------------------------------------------------------
-            #db_context = self.database.context(DEFAULT_CONTEXT_ID).create()
-            #db_topology = db_context.topology(DEFAULT_TOPOLOGY_ID).create()
-            #db_device = db_topology.device(device_id).create(device_type, device_config, device_opstat)
-            #for db_endpoint,port_type in db_endpoints_ports:
-            #    db_endpoint.create(port_type)
-
-            # ----- Compose reply --------------------------------------------------------------------------------------
-            reply = SliceStatus() #SliceStatus(**db_device.dump_id())
-            LOGGER.info('CreateUpdateSlice reply: {}'.format(str(reply)))
-            CREATEUPDATESLICE_COUNTER_COMPLETED.inc()
-            return reply
-        except ServiceException as e:
-            LOGGER.exception('CreateUpdateSlice exception')
-            CREATEUPDATESLICE_COUNTER_FAILED.inc()
-            grpc_context.abort(e.code, e.details)
-        except Exception as e:                                      # pragma: no cover
-            LOGGER.exception('CreateUpdateSlice exception')
-            CREATEUPDATESLICE_COUNTER_FAILED.inc()
-            grpc_context.abort(grpc.StatusCode.INTERNAL, str(e))
-
-    @DELETESLICE_HISTOGRAM_DURATION.time()
-    def DeleteSlice(self, request : TransportSlice, grpc_context : grpc.ServicerContext) -> Empty:
-        DELETESLICE_COUNTER_STARTED.inc()
-        try:
-            LOGGER.info('DeleteSlice request: {}'.format(str(request)))
-            LOGGER.warning('NOT IMPLEMENTED')
-
-            ## ----- Validate request data and pre-conditions -----------------------------------------------------------
-            #device_id = check_slice_id_request('DeleteSlice', request, self.database, LOGGER)
+    def __init__(self):
+        LOGGER.debug('Creating Servicer...')
+        LOGGER.debug('Servicer Created')
 
-            ## ----- Implement changes in the database ------------------------------------------------------------------
-            #db_context = self.database.context(DEFAULT_CONTEXT_ID).create()
-            #db_topology = db_context.topology(DEFAULT_TOPOLOGY_ID).create()
-            #db_topology.device(device_id).delete()
+    @safe_and_metered_rpc_method(METRICS, LOGGER)
+    def CreateUpdateSlice(self, request : TransportSlice, context : grpc.ServicerContext) -> SliceStatus:
+        return SliceStatus()
 
-            # ----- Compose reply --------------------------------------------------------------------------------------
-            reply = Empty()
-            LOGGER.info('DeleteSlice reply: {}'.format(str(reply)))
-            DELETESLICE_COUNTER_COMPLETED.inc()
-            return reply
-        except ServiceException as e:
-            LOGGER.exception('DeleteSlice exception')
-            DELETESLICE_COUNTER_FAILED.inc()
-            grpc_context.abort(e.code, e.details)
-        except Exception as e:                                      # pragma: no cover
-            LOGGER.exception('DeleteSlice exception')
-            DELETESLICE_COUNTER_FAILED.inc()
-            grpc_context.abort(grpc.StatusCode.INTERNAL, str(e))
+    @safe_and_metered_rpc_method(METRICS, LOGGER)
+    def DeleteSlice(self, request : TransportSlice, context : grpc.ServicerContext) -> Empty:
+        return Empty()
diff --git a/src/slice/service/__main__.py b/src/slice/service/__main__.py
index f3979d188682ce626d1cf808d1a549736a592bf2..54bd059d253cd4b878b13c971ff0221ed60f9b0b 100644
--- a/src/slice/service/__main__.py
+++ b/src/slice/service/__main__.py
@@ -1,51 +1,89 @@
-import logging, os, signal, sys, threading
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging, signal, sys, threading
 from prometheus_client import start_http_server
-from common.database.Factory import get_database
-from slice.service.SliceService import SliceService
+from common.Settings import get_setting, wait_for_environment_variables
+#from common.database.Factory import get_database
 from slice.Config import GRPC_SERVICE_PORT, GRPC_MAX_WORKERS, GRPC_GRACE_PERIOD, LOG_LEVEL, METRICS_PORT
+from .SliceService import SliceService
 
 terminate = threading.Event()
-logger = None
+LOGGER : logging.Logger = None
 
-def signal_handler(signal, frame):
-    global terminate, logger
-    logger.warning('Terminate signal received')
+def signal_handler(signal, frame): # pylint: disable=redefined-outer-name
+    LOGGER.warning('Terminate signal received')
     terminate.set()
 
 def main():
-    global terminate, logger
+    global LOGGER # pylint: disable=global-statement
 
-    service_port = os.environ.get('SLICESERVICE_SERVICE_PORT_GRPC', GRPC_SERVICE_PORT)
-    max_workers  = os.environ.get('MAX_WORKERS',                    GRPC_MAX_WORKERS )
-    grace_period = os.environ.get('GRACE_PERIOD',                   GRPC_GRACE_PERIOD)
-    log_level    = os.environ.get('LOG_LEVEL',                      LOG_LEVEL        )
-    metrics_port = os.environ.get('METRICS_PORT',                   METRICS_PORT     )
+    grpc_service_port       = get_setting('SLICESERVICE_SERVICE_PORT_GRPC',      default=GRPC_SERVICE_PORT      )
+    max_workers             = get_setting('MAX_WORKERS',                         default=GRPC_MAX_WORKERS       )
+    grace_period            = get_setting('GRACE_PERIOD',                        default=GRPC_GRACE_PERIOD      )
+    log_level               = get_setting('LOG_LEVEL',                           default=LOG_LEVEL              )
+    metrics_port            = get_setting('METRICS_PORT',                        default=METRICS_PORT           )
 
     logging.basicConfig(level=log_level)
-    logger = logging.getLogger(__name__)
+    LOGGER = logging.getLogger(__name__)
+
+    wait_for_environment_variables([
+        #'CONTEXTSERVICE_SERVICE_HOST', 'CONTEXTSERVICE_SERVICE_PORT_GRPC',
+        #'MONITORINGSERVICE_SERVICE_HOST', 'MONITORINGSERVICE_SERVICE_PORT_GRPC'
+    ])
+
+    #context_service_host    = get_setting('CONTEXTSERVICE_SERVICE_HOST',         default=CONTEXT_SERVICE_HOST   )
+    #context_service_port    = get_setting('CONTEXTSERVICE_SERVICE_PORT_GRPC',    default=CONTEXT_SERVICE_PORT   )
+    #monitoring_service_host = get_setting('MONITORINGSERVICE_SERVICE_HOST',      default=MONITORING_SERVICE_HOST)
+    #monitoring_service_port = get_setting('MONITORINGSERVICE_SERVICE_PORT_GRPC', default=MONITORING_SERVICE_PORT)
 
     signal.signal(signal.SIGINT,  signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
 
-    logger.info('Starting...')
+    LOGGER.info('Starting...')
 
     # Start metrics server
     start_http_server(metrics_port)
 
-    # Get database instance
-    database = get_database()
+    ## Initialize Context Client
+    #if context_service_host is None or context_service_port is None:
+    #    raise Exception('Wrong address({:s}):port({:s}) of Context component'.format(
+    #        str(context_service_host), str(context_service_port)))
+    #context_client = ContextClient(context_service_host, context_service_port)
+
+    ## Initialize Monitoring Client
+    #if monitoring_service_host is None or monitoring_service_port is None:
+    #    raise Exception('Wrong address({:s}):port({:s}) of Monitoring component'.format(
+    #        str(monitoring_service_host), str(monitoring_service_port)))
+    #monitoring_client = MonitoringClient(monitoring_service_host, monitoring_service_port)
+
+    ## Get database instance
+    #database = get_database()
 
-    # Starting device service
-    grpc_service = SliceService(database, port=service_port, max_workers=max_workers, grace_period=grace_period)
+    # Starting slice service
+    grpc_service = SliceService(
+        #database,
+        port=grpc_service_port, max_workers=max_workers, grace_period=grace_period)
     grpc_service.start()
 
     # Wait for Ctrl+C or termination signal
     while not terminate.wait(timeout=0.1): pass
 
-    logger.info('Terminating...')
+    LOGGER.info('Terminating...')
     grpc_service.stop()
 
-    logger.info('Bye')
+    LOGGER.info('Bye')
     return 0
 
 if __name__ == '__main__':