diff --git a/src/main/java/net/onrc/onos/api/packet/IPacketService.java b/src/main/java/net/onrc/onos/api/packet/IPacketService.java
new file mode 100644
index 0000000..eaa372d
--- /dev/null
+++ b/src/main/java/net/onrc/onos/api/packet/IPacketService.java
@@ -0,0 +1,21 @@
+package net.onrc.onos.api.packet;
+
+import java.util.List;
+
+import net.floodlightcontroller.core.module.IFloodlightService;
+import net.onrc.onos.core.packet.Ethernet;
+import net.onrc.onos.core.topology.Port;
+
+public interface IPacketService extends IFloodlightService {
+    // packet ins
+    public void registerPacketListener(IPacketListener listener);
+
+    // packet outs
+    public void sendPacket(Port port, Ethernet eth);
+
+    public void sendPacket(List<Port> ports, Ethernet eth);
+
+    public void broadcastPacket(Ethernet eth);
+
+    public void broadcastPacket(Ethernet eth, Port inPort);
+}