diff --git a/src/main/java/org/opencord/kafka/integrations/AaaKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/AaaKafkaIntegration.java
index 4d3a443..34699cb 100644
--- a/src/main/java/org/opencord/kafka/integrations/AaaKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/AaaKafkaIntegration.java
@@ -94,9 +94,9 @@
             new InternalAaaMachineStatisticsListener();
 
     // topics
-    private static final String TOPIC = "authentication.events";
-    private static final String AUTHENTICATION_STATISTICS_TOPIC = "onos.aaa.stats.kpis";
-    private static final String RADIUS_OPERATION_STATUS_TOPIC = "radiusOperationalStatus.events";
+    protected static final String TOPIC = "authentication.events";
+    protected static final String AUTHENTICATION_STATISTICS_TOPIC = "onos.aaa.stats.kpis";
+    protected static final String RADIUS_OPERATION_STATUS_TOPIC = "radiusOperationalStatus.events";
     // auth event params
     private static final String TIMESTAMP = "timestamp";
     private static final String DEVICE_ID = "deviceId";
diff --git a/src/main/java/org/opencord/kafka/integrations/AccessDeviceKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/AccessDeviceKafkaIntegration.java
index 9090f66..8ee6f22 100644
--- a/src/main/java/org/opencord/kafka/integrations/AccessDeviceKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/AccessDeviceKafkaIntegration.java
@@ -22,8 +22,8 @@
 import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.Port;
+import org.onosproject.net.device.DeviceService;
 import org.opencord.kafka.EventBusService;
 import org.opencord.olt.AccessDeviceEvent;
 import org.opencord.olt.AccessDeviceListener;
@@ -63,7 +63,7 @@
 
     private final AccessDeviceListener listener = new InternalAccessDeviceListener();
 
-    private static final String TOPIC = "onu.events";
+    protected static final String TOPIC = "onu.events";
 
     // event fields
     private static final String STATUS = "status";
diff --git a/src/main/java/org/opencord/kafka/integrations/BngPppoeKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/BngPppoeKafkaIntegration.java
index 17b7088..0cf49af 100644
--- a/src/main/java/org/opencord/kafka/integrations/BngPppoeKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/BngPppoeKafkaIntegration.java
@@ -50,7 +50,7 @@
     protected volatile PppoeBngControlHandler ignore;
     private final AtomicReference<PppoeBngControlHandler> pppoeBngControlRef = new AtomicReference<>();
 
-    private static final String TOPIC_PPPOE = "bng.pppoe";
+    protected static final String TOPIC_PPPOE = "bng.pppoe";
     private static final String TIMESTAMP = "timestamp";
     private static final String EVENT_TYPE = "eventType";
     private static final String OLT_DEVICE_ID = "deviceId";
diff --git a/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java
index e20ecbb..32f901b 100644
--- a/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java
@@ -56,7 +56,7 @@
     protected volatile BngStatsService ignore;
     private final AtomicReference<BngStatsService> bngStatsServiceRef = new AtomicReference<>();
 
-    private static final String TOPIC_STATS = "bng.stats";
+    protected static final String TOPIC_STATS = "bng.stats";
     private static final String SUBSCRIBER_S_TAG = "sTag";
     private static final String SUBSCRIBER_C_TAG = "cTag";
 
diff --git a/src/main/java/org/opencord/kafka/integrations/DeviceKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/DeviceKafkaIntegration.java
index 68450d1..9b97ba5 100644
--- a/src/main/java/org/opencord/kafka/integrations/DeviceKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/DeviceKafkaIntegration.java
@@ -54,10 +54,10 @@
     @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceService deviceService;
 
-    private final DeviceListener listener = new InternalDeviceListener();
+    protected final DeviceListener listener = new InternalDeviceListener();
 
-    private static final String TOPIC = "onos.kpis";
-    private static final String PORT_EVENT_TOPIC = "onos.events.port";
+    protected static final String TOPIC = "onos.kpis";
+    protected static final String PORT_EVENT_TOPIC = "onos.events.port";
 
     // event fields
     private static final String TIMESTAMP = "timestamp";
diff --git a/src/main/java/org/opencord/kafka/integrations/DhcpL2RelayKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/DhcpL2RelayKafkaIntegration.java
index 494635f..43153c3 100644
--- a/src/main/java/org/opencord/kafka/integrations/DhcpL2RelayKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/DhcpL2RelayKafkaIntegration.java
@@ -62,8 +62,8 @@
     private final DhcpL2RelayListener listener = new InternalDhcpL2RelayListener();
 
     // topics
-    private static final String TOPIC = "dhcp.events";
-    private static final String DHCP_STATS_TOPIC = "onos.dhcp.stats.kpis";
+    protected static final String TOPIC = "dhcp.events";
+    protected static final String DHCP_STATS_TOPIC = "onos.dhcp.stats.kpis";
 
     private static final String TIMESTAMP = "timestamp";
     private static final String DEVICE_ID = "deviceId";
diff --git a/src/main/java/org/opencord/kafka/integrations/IgmpKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/IgmpKafkaIntegration.java
index 4da7e43..c424d67 100644
--- a/src/main/java/org/opencord/kafka/integrations/IgmpKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/IgmpKafkaIntegration.java
@@ -58,7 +58,7 @@
             new InternalIgmpStatisticsListener();
 
     //TOPIC
-    private static final String IGMP_STATISTICS_TOPIC = "onos.igmp.stats.kpis";
+    protected static final String IGMP_STATISTICS_TOPIC = "onos.igmp.stats.kpis";
 
     // IGMP stats event params
     private static final String IGMP_JOIN_REQ = "igmpJoinReq";
diff --git a/src/main/java/org/opencord/kafka/integrations/McastKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/McastKafkaIntegration.java
index 8712333..1574c7f 100644
--- a/src/main/java/org/opencord/kafka/integrations/McastKafkaIntegration.java
+++ b/src/main/java/org/opencord/kafka/integrations/McastKafkaIntegration.java
@@ -55,7 +55,7 @@
     private final CordMcastStatisticsEventListener cordMcastStatisticsEventListener =
             new InternalCorcMcastStatisticsListener();
 
-    private static final String MCAST_OPERATIONAL_STATUS_TOPIC = "mcastOperationalStatus.events";
+    protected static final String MCAST_OPERATIONAL_STATUS_TOPIC = "mcastOperationalStatus.events";
 
     //cord mcast stats event params
     private static final String TIMESTAMP = "timestamp";