diff --git a/src/load_generator/service/LoadGeneratorServiceServicerImpl.py b/src/load_generator/service/LoadGeneratorServiceServicerImpl.py
index d358c398f9de8b6c83a9be3b96b3b208b62e924e..6f47ff6ed1504f5321ace19c99bb02017d24835e 100644
--- a/src/load_generator/service/LoadGeneratorServiceServicerImpl.py
+++ b/src/load_generator/service/LoadGeneratorServiceServicerImpl.py
@@ -21,7 +21,7 @@ from common.proto.load_generator_pb2_grpc import LoadGeneratorServiceServicer
 from load_generator.load_gen.Parameters import Parameters as LoadGen_Parameters
 from load_generator.load_gen.RequestGenerator import RequestGenerator
 from load_generator.load_gen.RequestScheduler import RequestScheduler
-from load_generator.tools.ListScalarRange import grpc__to__list_scalar_range, list_scalar_range__to__grpc
+from load_generator.tools.ListScalarRange import list_scalar_range__grpc_to_list, list_scalar_range__list_to_grpc
 from .Constants import REQUEST_TYPE_MAP, REQUEST_TYPE_REVERSE_MAP
 
 LOGGER = logging.getLogger(__name__)
@@ -40,9 +40,9 @@ class LoadGeneratorServiceServicerImpl(LoadGeneratorServiceServicer):
             offered_load          = request.offered_load if request.offered_load > 1.e-12 else None,
             holding_time          = request.holding_time if request.holding_time > 1.e-12 else None,
             inter_arrival_time    = request.inter_arrival_time if request.inter_arrival_time > 1.e-12 else None,
-            availability_ranges   = grpc__to__list_scalar_range(request.availability  ),
-            capacity_gbps_ranges  = grpc__to__list_scalar_range(request.capacity_gbps ),
-            e2e_latency_ms_ranges = grpc__to__list_scalar_range(request.e2e_latency_ms),
+            availability_ranges   = list_scalar_range__grpc_to_list(request.availability  ),
+            capacity_gbps_ranges  = list_scalar_range__grpc_to_list(request.capacity_gbps ),
+            e2e_latency_ms_ranges = list_scalar_range__grpc_to_list(request.e2e_latency_ms),
             do_teardown           = request.do_teardown,   # if set, schedule tear down of requests
             dry_mode              = request.dry_mode,      # in dry mode, no request is sent to TeraFlowSDN
             record_to_dlt         = request.record_to_dlt, # if set, upload changes to DLT
@@ -74,19 +74,21 @@ class LoadGeneratorServiceServicerImpl(LoadGeneratorServiceServicer):
         status.num_generated = self._scheduler.num_generated
         status.infinite_loop = self._scheduler.infinite_loop
         status.running       = self._scheduler.running
-        status.parameters.num_requests       = params.num_requests          # pylint: disable=no-member
-        status.parameters.offered_load       = params.offered_load          # pylint: disable=no-member
-        status.parameters.holding_time       = params.holding_time          # pylint: disable=no-member
-        status.parameters.inter_arrival_time = params.inter_arrival_time    # pylint: disable=no-member
-        status.parameters.do_teardown        = params.do_teardown           # pylint: disable=no-member
-        status.parameters.dry_mode           = params.dry_mode              # pylint: disable=no-member
-        status.parameters.record_to_dlt      = params.record_to_dlt         # pylint: disable=no-member
-        status.parameters.dlt_domain_id      = params.dlt_domain_id         # pylint: disable=no-member
-        status.parameters.request_types.extend(request_types)               # pylint: disable=no-member
 
-        list_scalar_range__to__grpc(params.availability_ranges,   status.availability  )    # pylint: disable=no-member
-        list_scalar_range__to__grpc(params.capacity_gbps_ranges,  status.capacity_gbps )    # pylint: disable=no-member
-        list_scalar_range__to__grpc(params.e2e_latency_ms_ranges, status.e2e_latency_ms)    # pylint: disable=no-member
+        stat_pars = status.parameters                               # pylint: disable=no-member
+        stat_pars.num_requests       = params.num_requests          # pylint: disable=no-member
+        stat_pars.offered_load       = params.offered_load          # pylint: disable=no-member
+        stat_pars.holding_time       = params.holding_time          # pylint: disable=no-member
+        stat_pars.inter_arrival_time = params.inter_arrival_time    # pylint: disable=no-member
+        stat_pars.do_teardown        = params.do_teardown           # pylint: disable=no-member
+        stat_pars.dry_mode           = params.dry_mode              # pylint: disable=no-member
+        stat_pars.record_to_dlt      = params.record_to_dlt         # pylint: disable=no-member
+        stat_pars.dlt_domain_id      = params.dlt_domain_id         # pylint: disable=no-member
+        stat_pars.request_types.extend(request_types)               # pylint: disable=no-member
+
+        list_scalar_range__list_to_grpc(params.availability_ranges,   stat_pars.availability  ) # pylint: disable=no-member
+        list_scalar_range__list_to_grpc(params.capacity_gbps_ranges,  stat_pars.capacity_gbps ) # pylint: disable=no-member
+        list_scalar_range__list_to_grpc(params.e2e_latency_ms_ranges, stat_pars.e2e_latency_ms) # pylint: disable=no-member
 
         return status
 
diff --git a/src/load_generator/tools/ListScalarRange.py b/src/load_generator/tools/ListScalarRange.py
index c6648404767f5a810f1d53d99eaa970fefe9e46b..9a5a5f39940049adee6dfbe35befd815db9256fe 100644
--- a/src/load_generator/tools/ListScalarRange.py
+++ b/src/load_generator/tools/ListScalarRange.py
@@ -30,7 +30,7 @@ def parse_list_scalar_range(value : str) -> Type_ListScalarRange:
     ranges = [[float(value) for value in item.split('..')] for item in str_value.split(',')]
     return ranges
 
-def list_scalar_range__to__grpc(list_scalar_range : Type_ListScalarRange, obj : List[ScalarOrRange]) -> None:
+def list_scalar_range__list_to_grpc(list_scalar_range : Type_ListScalarRange, obj : List[ScalarOrRange]) -> None:
     for i,scalar_or_range in enumerate(list_scalar_range):
         if isinstance(scalar_or_range, (float, str)):
             _scalar = obj.add()
@@ -50,7 +50,19 @@ def list_scalar_range__to__grpc(list_scalar_range : Type_ListScalarRange, obj :
             MSG = 'Type({:s}) in item(#{:d}, {:s})'
             raise NotImplementedError(MSG.format(str(type(scalar_or_range), i, str(scalar_or_range))))
 
-def grpc__to__list_scalar_range(obj : List[ScalarOrRange]) -> Type_ListScalarRange:
+def list_scalar_range__grpc_to_str(obj : List[ScalarOrRange]) -> str:
+    str_items = list()
+    for item in obj:
+        item_kind = item.WhichOneof('value')
+        if item_kind == 'scalar':
+            str_items.append(str(item.scalar))
+        elif item_kind == 'range':
+            str_items.append('{:s}..{:s}'.format(str(item.range.minimum), str(item.range.maximum)))
+        else:
+            raise NotImplementedError('Unsupported ScalarOrRange kind({:s})'.format(str(item_kind)))
+    return ','.join(str_items)
+
+def list_scalar_range__grpc_to_list(obj : List[ScalarOrRange]) -> Type_ListScalarRange:
     list_scalar_range = list()
     for item in obj:
         item_kind = item.WhichOneof('value')