diff --git a/src/main/java/net/onrc/onos/apps/forwarding/IForwardingService.java b/src/main/java/net/onrc/onos/apps/forwarding/IForwardingService.java
new file mode 100644
index 0000000..78bf41c
--- /dev/null
+++ b/src/main/java/net/onrc/onos/apps/forwarding/IForwardingService.java
@@ -0,0 +1,33 @@
+package net.onrc.onos.apps.forwarding;
+
+import java.util.Collection;
+
+import net.floodlightcontroller.core.module.IFloodlightService;
+import net.onrc.onos.ofcontroller.util.FlowPath;
+
+/**
+ * Temporary interface that allows the Forwarding module to be
+ * notified when a flow has been installed.
+ * 
+ * This should be refactored to a listener framework in the future.
+ * @author jono
+ *
+ */
+public interface IForwardingService extends IFloodlightService {
+	/**
+	 * Notify the Forwarding module that a collection of flows has been
+	 * installed in the network.
+	 *
+	 * @param installedFlowPaths the collection of FlowPaths that have
+	 * been installed in the network.
+	 */
+	public void flowsInstalled(Collection<FlowPath> installedFlowPaths);
+	
+	/**
+	 * Notify the Forwarding module that a flow has expired and been 
+	 * removed from the network.
+	 * 
+	 * @param removedFlowPath The FlowPath that was removed
+	 */
+	public void flowRemoved(FlowPath removedFlowPath);
+}