diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java
index 31df710..ac726c2 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java
@@ -42,6 +42,7 @@
 import org.onlab.onos.store.common.impl.Timestamped;
 import org.onlab.onos.store.serializers.KryoPoolUtil;
 import org.onlab.onos.store.serializers.KryoSerializer;
+import org.onlab.onos.store.serializers.MastershipBasedTimestampSerializer;
 import org.onlab.util.KryoPool;
 import org.onlab.util.NewConcurrentHashMap;
 import org.slf4j.Logger;
@@ -117,11 +118,11 @@
         protected void setupKryoPool() {
             serializerPool = KryoPool.newBuilder()
                     .register(KryoPoolUtil.API)
-                    .register(InternalDeviceEvent.class)
-                    .register(InternalPortEvent.class)
-                    .register(InternalPortStatusEvent.class)
+                    .register(InternalDeviceEvent.class, new InternalDeviceEventSerializer())
+                    .register(InternalPortEvent.class, new InternalPortEventSerializer())
+                    .register(InternalPortStatusEvent.class, new InternalPortStatusEventSerializer())
                     .register(Timestamped.class)
-                    .register(MastershipBasedTimestamp.class)
+                    .register(MastershipBasedTimestamp.class, new MastershipBasedTimestampSerializer())
                     .build()
                     .populate(1);
         }
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
new file mode 100644
index 0000000..9cb9695
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
@@ -0,0 +1,42 @@
+package org.onlab.onos.store.device.impl;
+
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceDescription;
+import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.onos.store.common.impl.Timestamped;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+
+/**
+ * Kryo Serializer for {@link InternalDeviceEvent}.
+ */
+public class InternalDeviceEventSerializer extends Serializer<InternalDeviceEvent> {
+
+    /**
+     * Creates a serializer for {@link InternalDeviceEvent}.
+     */
+    public InternalDeviceEventSerializer() {
+        // does not accept null
+        super(false);
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, InternalDeviceEvent event) {
+        kryo.writeClassAndObject(output, event.providerId());
+        kryo.writeClassAndObject(output, event.deviceId());
+        kryo.writeClassAndObject(output, event.deviceDescription());
+    }
+
+    @Override
+    public InternalDeviceEvent read(Kryo kryo, Input input,
+                               Class<InternalDeviceEvent> type) {
+        ProviderId providerId = (ProviderId) kryo.readClassAndObject(input);
+        DeviceId deviceId = (DeviceId) kryo.readClassAndObject(input);
+        Timestamped<DeviceDescription> deviceDescription = (Timestamped<DeviceDescription>) kryo.readClassAndObject(input);
+
+        return new InternalDeviceEvent(providerId, deviceId, deviceDescription);
+    }
+}
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java
new file mode 100644
index 0000000..6925bea
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java
@@ -0,0 +1,45 @@
+package org.onlab.onos.store.device.impl;
+
+import java.util.List;
+
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceDescription;
+import org.onlab.onos.net.device.PortDescription;
+import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.onos.store.common.impl.Timestamped;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+
+/**
+ * Kryo Serializer for {@link InternalPortEvent}.
+ */
+public class InternalPortEventSerializer extends Serializer<InternalPortEvent> {
+
+    /**
+     * Creates a serializer for {@link InternalPortEvent}.
+     */
+    public InternalPortEventSerializer() {
+        // does not accept null
+        super(false);
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, InternalPortEvent event) {
+        kryo.writeClassAndObject(output, event.providerId());
+        kryo.writeClassAndObject(output, event.deviceId());
+        kryo.writeClassAndObject(output, event.portDescriptions());
+    }
+
+    @Override
+    public InternalPortEvent read(Kryo kryo, Input input,
+                               Class<InternalPortEvent> type) {
+        ProviderId providerId = (ProviderId) kryo.readClassAndObject(input);
+        DeviceId deviceId = (DeviceId) kryo.readClassAndObject(input);
+        Timestamped<List<PortDescription>> portDescriptions = (Timestamped<List<PortDescription>>) kryo.readClassAndObject(input);
+
+        return new InternalPortEvent(providerId, deviceId, portDescriptions);
+    }
+}
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java
new file mode 100644
index 0000000..6ec4122
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java
@@ -0,0 +1,42 @@
+package org.onlab.onos.store.device.impl;
+
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.PortDescription;
+import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.onos.store.common.impl.Timestamped;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+
+/**
+ * Kryo Serializer for {@link InternalPortStatusEvent}.
+ */
+public class InternalPortStatusEventSerializer extends Serializer<InternalPortStatusEvent> {
+
+    /**
+     * Creates a serializer for {@link InternalPortStatusEvent}.
+     */
+    public InternalPortStatusEventSerializer() {
+        // does not accept null
+        super(false);
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, InternalPortStatusEvent event) {
+        kryo.writeClassAndObject(output, event.providerId());
+        kryo.writeClassAndObject(output, event.deviceId());
+        kryo.writeClassAndObject(output, event.portDescription());
+    }
+
+    @Override
+    public InternalPortStatusEvent read(Kryo kryo, Input input,
+                               Class<InternalPortStatusEvent> type) {
+        ProviderId providerId = (ProviderId) kryo.readClassAndObject(input);
+        DeviceId deviceId = (DeviceId) kryo.readClassAndObject(input);
+        Timestamped<PortDescription> portDescription = (Timestamped<PortDescription>) kryo.readClassAndObject(input);
+
+        return new InternalPortStatusEvent(providerId, deviceId, portDescription);
+    }
+}