diff --git a/src/policy/src/main/java/eu/teraflow/policy/Serializer.java b/src/policy/src/main/java/eu/teraflow/policy/Serializer.java
index 687a507fcdec304129d84862ae1f386975d48c52..f794d8bafa402bc0dbe3296034bc235f30d9c969 100644
--- a/src/policy/src/main/java/eu/teraflow/policy/Serializer.java
+++ b/src/policy/src/main/java/eu/teraflow/policy/Serializer.java
@@ -1210,6 +1210,7 @@ public class Serializer {
         final var serviceConstraints = service.getServiceConstraints();
         final var serviceStatus = service.getServiceStatus();
         final var serviceConfig = service.getServiceConfig();
+        final var serviceTimestamp = service.getTimestamp();
 
         final var serializedServiceId = serialize(serviceId);
         final var serializedServiceType = serialize(serviceType);
@@ -1219,6 +1220,7 @@ public class Serializer {
                 serviceConstraints.stream().map(this::serialize).collect(Collectors.toList());
         final var serializedServiceStatus = serialize(serviceStatus);
         final var serializedServiceConfig = serialize(serviceConfig);
+        final var serializedTimestamp = serialize(serviceTimestamp);
 
         builder.setServiceId(serializedServiceId);
         builder.setServiceType(serializedServiceType);
@@ -1226,6 +1228,7 @@ public class Serializer {
         builder.addAllServiceConstraints(serializedServiceConstraints);
         builder.setServiceStatus(serializedServiceStatus);
         builder.setServiceConfig(serializedServiceConfig);
+        builder.setTimestamp(serializedTimestamp);
 
         return builder.build();
     }
@@ -1238,6 +1241,7 @@ public class Serializer {
         final var serializedServiceConstraints = serializedService.getServiceConstraintsList();
         final var serializedServiceStatus = serializedService.getServiceStatus();
         final var serializedServiceConfig = serializedService.getServiceConfig();
+        final var serializedTimestamp = serializedService.getTimestamp();
 
         final var serviceId = deserialize(serializedServiceId);
         final var serviceType = deserialize(serializedServiceType);
@@ -1247,6 +1251,7 @@ public class Serializer {
                 serializedServiceConstraints.stream().map(this::deserialize).collect(Collectors.toList());
         final var serviceStatus = deserialize(serializedServiceStatus);
         final var serviceConfig = deserialize(serializedServiceConfig);
+        final var timestamp = deserialize(serializedTimestamp);
 
         return new Service(
                 serviceId,
@@ -1254,7 +1259,8 @@ public class Serializer {
                 serviceEndPointIds,
                 serviceConstraints,
                 serviceStatus,
-                serviceConfig);
+                serviceConfig,
+                timestamp);
     }
 
     public KpiSampleTypes.KpiSampleType serialize(KpiSampleType kpiSampleType) {
diff --git a/src/policy/src/main/java/eu/teraflow/policy/context/model/Service.java b/src/policy/src/main/java/eu/teraflow/policy/context/model/Service.java
index bbe684e1c79b67559ad0aa1e97059ef2852bbecf..e61179bcfa1dcc1736d81362f434fda01003696a 100644
--- a/src/policy/src/main/java/eu/teraflow/policy/context/model/Service.java
+++ b/src/policy/src/main/java/eu/teraflow/policy/context/model/Service.java
@@ -27,6 +27,7 @@ public class Service {
     private final List<Constraint> serviceConstraints;
     private final ServiceStatus serviceStatus;
     private final ServiceConfig serviceConfig;
+    private final double timestamp;
 
     public Service(
             ServiceId serviceId,
@@ -34,13 +35,15 @@ public class Service {
             List<EndPointId> serviceEndPointIds,
             List<Constraint> serviceConstraints,
             ServiceStatus serviceStatus,
-            ServiceConfig serviceConfig) {
+            ServiceConfig serviceConfig,
+            double timestamp) {
         this.serviceId = serviceId;
         this.serviceType = serviceType;
         this.serviceEndPointIds = serviceEndPointIds;
         this.serviceConstraints = serviceConstraints;
         this.serviceStatus = serviceStatus;
         this.serviceConfig = serviceConfig;
+        this.timestamp = timestamp;
     }
 
     public ServiceId getServiceId() {
@@ -67,16 +70,21 @@ public class Service {
         return serviceConfig;
     }
 
+    public double getTimestamp() {
+        return timestamp;
+    }
+
     @Override
     public String toString() {
         return String.format(
-                "%s:{%s, serviceType:\"%s\", [%s], [%s], %s, %s}",
+                "%s:{%s, serviceType:\"%s\", [%s], [%s], %s, %s, timestamp:\"%f\"}",
                 getClass().getSimpleName(),
                 serviceId,
                 serviceType.toString(),
                 Util.toString(serviceEndPointIds),
                 Util.toString(serviceConstraints),
                 serviceStatus,
-                serviceConfig);
+                serviceConfig,
+                timestamp);
     }
 }
diff --git a/src/policy/src/test/java/eu/teraflow/policy/SerializerTest.java b/src/policy/src/test/java/eu/teraflow/policy/SerializerTest.java
index 20b69e422a33507a0c8465bd7597c89eeba9a6f2..49aa004be4e225262d89db5fff8f30b911fce93b 100644
--- a/src/policy/src/test/java/eu/teraflow/policy/SerializerTest.java
+++ b/src/policy/src/test/java/eu/teraflow/policy/SerializerTest.java
@@ -2044,6 +2044,8 @@ class SerializerTest {
 
         final var expectedServiceConfig = new ServiceConfig(expectedConfigRules);
 
+        final var expectedTimestamp = 2.3;
+
         final var service =
                 new Service(
                         expectedServiceId,
@@ -2051,7 +2053,8 @@ class SerializerTest {
                         expectedServiceEndPointIds,
                         expectedServiceConstraints,
                         expectedServiceStatus,
-                        expectedServiceConfig);
+                        expectedServiceConfig,
+                        expectedTimestamp);
 
         final var serializedServiceId = serializer.serialize(expectedServiceId);
         final var serializedServiceType = serializer.serialize(expectedServiceTypeEnum);
@@ -2065,6 +2068,7 @@ class SerializerTest {
                         .collect(Collectors.toList());
         final var serializedServiceStatus = serializer.serialize(expectedServiceStatus);
         final var serializedServiceConfig = serializer.serialize(expectedServiceConfig);
+        final var serializedTimestamp = serializer.serialize(expectedTimestamp);
 
         final var expectedService =
                 ContextOuterClass.Service.newBuilder()
@@ -2074,11 +2078,12 @@ class SerializerTest {
                         .addAllServiceConstraints(serializedServiceConstraints)
                         .setServiceStatus(serializedServiceStatus)
                         .setServiceConfig(serializedServiceConfig)
+                        .setTimestamp(serializedTimestamp)
                         .build();
 
         final var serializedService = serializer.serialize(service);
 
-        assertThat(serializedService).usingRecursiveComparison().isEqualTo(expectedService);
+        assertThat(serializedService).isEqualTo(expectedService);
     }
 
     @Test
@@ -2123,6 +2128,8 @@ class SerializerTest {
 
         final var expectedServiceConfig = new ServiceConfig(expectedConfigRules);
 
+        final var expectedTimestamp = 7.8;
+
         final var expectedService =
                 new Service(
                         expectedServiceId,
@@ -2130,7 +2137,8 @@ class SerializerTest {
                         expectedServiceEndPointIds,
                         expectedServiceConstraints,
                         expectedServiceStatus,
-                        expectedServiceConfig);
+                        expectedServiceConfig,
+                        expectedTimestamp);
 
         final var serializedServiceId = serializer.serialize(expectedServiceId);
         final var serializedServiceType = serializer.serialize(expectedServiceTypeEnum);
@@ -2144,6 +2152,7 @@ class SerializerTest {
                         .collect(Collectors.toList());
         final var serializedServiceStatus = serializer.serialize(expectedServiceStatus);
         final var serializedServiceConfig = serializer.serialize(expectedServiceConfig);
+        final var serializedTimestamp = serializer.serialize(expectedTimestamp);
 
         final var serializedService =
                 ContextOuterClass.Service.newBuilder()
@@ -2153,6 +2162,7 @@ class SerializerTest {
                         .addAllServiceConstraints(serializedServiceConstraints)
                         .setServiceStatus(serializedServiceStatus)
                         .setServiceConfig(serializedServiceConfig)
+                        .setTimestamp(serializedTimestamp)
                         .build();
 
         final var service = serializer.deserialize(serializedService);
diff --git a/src/policy/target/kubernetes/kubernetes.yml b/src/policy/target/kubernetes/kubernetes.yml
index bfd8398e80ffec1ca69ca49bf96e6faf9a15e471..b692aa34084ad96b958019be1c9087ef0db9ded5 100644
--- a/src/policy/target/kubernetes/kubernetes.yml
+++ b/src/policy/target/kubernetes/kubernetes.yml
@@ -3,8 +3,8 @@ apiVersion: v1
 kind: Service
 metadata:
   annotations:
-    app.quarkus.io/commit-id: 38171d32b260b03cfa8b2beef6b85dde4471ad48
-    app.quarkus.io/build-timestamp: 2022-07-21 - 13:18:31 +0000
+    app.quarkus.io/commit-id: 342ed841a2fd5a8c0ab65464b4e178bc63981fb3
+    app.quarkus.io/build-timestamp: 2022-07-22 - 09:19:09 +0000
   labels:
     app.kubernetes.io/name: policyservice
     app: policyservice
@@ -25,8 +25,8 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
-    app.quarkus.io/commit-id: 38171d32b260b03cfa8b2beef6b85dde4471ad48
-    app.quarkus.io/build-timestamp: 2022-07-21 - 13:18:31 +0000
+    app.quarkus.io/commit-id: 342ed841a2fd5a8c0ab65464b4e178bc63981fb3
+    app.quarkus.io/build-timestamp: 2022-07-22 - 09:19:09 +0000
   labels:
     app: policyservice
     app.kubernetes.io/name: policyservice
@@ -39,8 +39,8 @@ spec:
   template:
     metadata:
       annotations:
-        app.quarkus.io/commit-id: 38171d32b260b03cfa8b2beef6b85dde4471ad48
-        app.quarkus.io/build-timestamp: 2022-07-21 - 13:18:31 +0000
+        app.quarkus.io/commit-id: 342ed841a2fd5a8c0ab65464b4e178bc63981fb3
+        app.quarkus.io/build-timestamp: 2022-07-22 - 09:19:09 +0000
       labels:
         app: policyservice
         app.kubernetes.io/name: policyservice
@@ -51,12 +51,12 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: metadata.namespace
+            - name: MONITORING_SERVICE_HOST
+              value: monitoringservice
             - name: CONTEXT_SERVICE_HOST
               value: contextservice
             - name: SERVICE_SERVICE_HOST
               value: serviceservice
-            - name: MONITORING_SERVICE_HOST
-              value: monitoringservice
           image: registry.gitlab.com/teraflow-h2020/controller/policy:0.1.0
           imagePullPolicy: Always
           livenessProbe: