diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/ResourceAllocation.java b/core/api/src/main/java/org/onlab/onos/net/resource/ResourceAllocation.java
new file mode 100644
index 0000000..5cc1414
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/ResourceAllocation.java
@@ -0,0 +1,8 @@
+package org.onlab.onos.net.resource;
+
+/**
+ * Abstraction of allocated resource.
+ */
+public interface ResourceAllocation extends ResourceRequest {
+
+}