--- /dev/null
+/*
+ * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.vpnservice.alivenessmonitor.internal;
+
+import org.opendaylight.controller.liblldp.Packet;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.monitor.configs.MonitoringInfo;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
+
+/**
+ * Protocol specific Handler interface defined by the Aliveness monitor service
+ * Handler will be registered with Alivnessmonitor service along with the protocol type
+ * it supports.
+ *
+ */
+public interface AlivenessProtocolHandler {
+
+ Class<?> getPacketClass();
+
+ String handlePacketIn(Packet protocolPacket, PacketReceived packetReceived);
+
+ void sendPacketOut(MonitoringInfo monitorInfo);
+
+ String getUniqueMonitoringKey(MonitoringInfo monitorInfo);
+}