diff --git a/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java b/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java
index d3db080..77703e5 100644
--- a/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java
+++ b/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java
@@ -19,7 +19,6 @@
 import net.floodlightcontroller.core.module.IFloodlightModule;
 import net.floodlightcontroller.core.module.IFloodlightService;
 import net.floodlightcontroller.util.MACAddress;
-import net.onrc.onos.apps.proxyarp.BroadcastPacketOutNotification;
 import net.onrc.onos.apps.proxyarp.IProxyArpService;
 import net.onrc.onos.core.datagrid.IDatagridService;
 import net.onrc.onos.core.datagrid.IEventChannel;
@@ -36,6 +35,7 @@
 import net.onrc.onos.core.intent.runtime.IPathCalcRuntimeService;
 import net.onrc.onos.core.intent.runtime.IntentStateList;
 import net.onrc.onos.core.packet.Ethernet;
+import net.onrc.onos.core.packetservice.BroadcastPacketOutNotification;
 import net.onrc.onos.core.registry.IControllerRegistryService;
 import net.onrc.onos.core.topology.Device;
 import net.onrc.onos.core.topology.INetworkGraphService;
diff --git a/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java b/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
index 017b260..d7e94cb 100644
--- a/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
+++ b/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
@@ -32,6 +32,8 @@
 import net.onrc.onos.core.packet.ARP;
 import net.onrc.onos.core.packet.Ethernet;
 import net.onrc.onos.core.packet.IPv4;
+import net.onrc.onos.core.packetservice.BroadcastPacketOutNotification;
+import net.onrc.onos.core.packetservice.SinglePacketOutNotification;
 import net.onrc.onos.core.topology.Device;
 import net.onrc.onos.core.topology.INetworkGraphService;
 import net.onrc.onos.core.topology.NetworkGraph;
@@ -94,10 +96,10 @@
         @Override
         public void entryAdded(BroadcastPacketOutNotification value) {
             if (log.isTraceEnabled()) {
-                log.trace("entryAdded ip{}, sw {}, port {}, packet {}", value.getTargetAddress(), value.getInSwitch(), value.getInPort(), value.packet.length);
+                log.trace("entryAdded ip{}, sw {}, port {}, packet {}", value.getTargetAddress(), value.getInSwitch(), value.getInPort(), value.getPacketData().length);
             }
             BroadcastPacketOutNotification notification = (BroadcastPacketOutNotification) value;
-            broadcastArpRequestOutMyEdge(notification.packet,
+            broadcastArpRequestOutMyEdge(notification.getPacketData(),
                     notification.getInSwitch(),
                     notification.getInPort());
 
@@ -139,7 +141,7 @@
             log.debug("entryAdded");
             SinglePacketOutNotification notification =
                     (SinglePacketOutNotification) packetOutNotification;
-            sendArpRequestOutPort(notification.packet,
+            sendArpRequestOutPort(notification.getPacketData(),
                     notification.getOutSwitch(),
                     notification.getOutPort());
 
diff --git a/src/main/java/net/onrc/onos/apps/proxyarp/BroadcastPacketOutNotification.java b/src/main/java/net/onrc/onos/core/packetservice/BroadcastPacketOutNotification.java
similarity index 97%
rename from src/main/java/net/onrc/onos/apps/proxyarp/BroadcastPacketOutNotification.java
rename to src/main/java/net/onrc/onos/core/packetservice/BroadcastPacketOutNotification.java
index 5f70cf1..cea27ae 100644
--- a/src/main/java/net/onrc/onos/apps/proxyarp/BroadcastPacketOutNotification.java
+++ b/src/main/java/net/onrc/onos/core/packetservice/BroadcastPacketOutNotification.java
@@ -1,4 +1,4 @@
-package net.onrc.onos.apps.proxyarp;
+package net.onrc.onos.core.packetservice;
 
 
 // TODO This class is too generic to be handled by ProxyArpService.
diff --git a/src/main/java/net/onrc/onos/apps/proxyarp/PacketOutNotification.java b/src/main/java/net/onrc/onos/core/packetservice/PacketOutNotification.java
similarity index 80%
rename from src/main/java/net/onrc/onos/apps/proxyarp/PacketOutNotification.java
rename to src/main/java/net/onrc/onos/core/packetservice/PacketOutNotification.java
index a3cbb28..30e3986 100644
--- a/src/main/java/net/onrc/onos/apps/proxyarp/PacketOutNotification.java
+++ b/src/main/java/net/onrc/onos/core/packetservice/PacketOutNotification.java
@@ -1,4 +1,4 @@
-package net.onrc.onos.apps.proxyarp;
+package net.onrc.onos.core.packetservice;
 
 import java.io.Serializable;
 import java.util.Arrays;
@@ -13,7 +13,7 @@
 
     private static final long serialVersionUID = 1L;
 
-    protected final byte[] packet;
+    private final byte[] packet;
 
     /**
      * Class constructor.
@@ -27,4 +27,8 @@
     public PacketOutNotification(byte[] packet) {
         this.packet = Arrays.copyOf(packet, packet.length);
     }
+
+    public byte[] getPacketData() {
+        return Arrays.copyOf(packet, packet.length);
+    }
 }
diff --git a/src/main/java/net/onrc/onos/apps/proxyarp/SinglePacketOutNotification.java b/src/main/java/net/onrc/onos/core/packetservice/SinglePacketOutNotification.java
similarity index 97%
rename from src/main/java/net/onrc/onos/apps/proxyarp/SinglePacketOutNotification.java
rename to src/main/java/net/onrc/onos/core/packetservice/SinglePacketOutNotification.java
index ff5ab87..4e9f47d 100644
--- a/src/main/java/net/onrc/onos/apps/proxyarp/SinglePacketOutNotification.java
+++ b/src/main/java/net/onrc/onos/core/packetservice/SinglePacketOutNotification.java
@@ -1,4 +1,4 @@
-package net.onrc.onos.apps.proxyarp;
+package net.onrc.onos.core.packetservice;
 
 
 // TODO This class is too generic to be handled by ProxyArpService.
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
index 8c77fc8..e229d30 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
@@ -8,8 +8,6 @@
 
 import net.floodlightcontroller.util.MACAddress;
 import net.onrc.onos.apps.proxyarp.ArpReplyNotification;
-import net.onrc.onos.apps.proxyarp.BroadcastPacketOutNotification;
-import net.onrc.onos.apps.proxyarp.SinglePacketOutNotification;
 import net.onrc.onos.core.devicemanager.OnosDevice;
 import net.onrc.onos.core.intent.ConstrainedShortestPathIntent;
 import net.onrc.onos.core.intent.ErrorIntent;
@@ -19,6 +17,8 @@
 import net.onrc.onos.core.intent.PathIntent;
 import net.onrc.onos.core.intent.ShortestPathIntent;
 import net.onrc.onos.core.intent.runtime.IntentStateList;
+import net.onrc.onos.core.packetservice.BroadcastPacketOutNotification;
+import net.onrc.onos.core.packetservice.SinglePacketOutNotification;
 import net.onrc.onos.core.topology.DeviceEvent;
 import net.onrc.onos.core.topology.LinkEvent;
 import net.onrc.onos.core.topology.Path;
@@ -50,6 +50,7 @@
 import net.onrc.onos.core.util.Switch;
 // import net.onrc.onos.core.util.SwitchPort;
 
+
 import com.esotericsoftware.kryo.Kryo;
 
 /**