diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceAllocation.java b/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceAllocation.java
index 86f8b4e..37b56fe 100644
--- a/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceAllocation.java
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceAllocation.java
@@ -14,4 +14,9 @@
     public BandwidthResourceAllocation(Bandwidth bandwidth) {
         super(bandwidth);
     }
+
+    @Override
+    public ResourceType type() {
+        return ResourceType.BANDWIDTH;
+    }
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java b/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java
index 7251ea1..601a27c 100644
--- a/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java
@@ -30,7 +30,7 @@
      *
      * @return the bandwidth resource
      */
-    Bandwidth bandwidth() {
+    public Bandwidth bandwidth() {
         return bandwidth;
     }
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/LambdaResourceAllocation.java b/core/api/src/main/java/org/onlab/onos/net/resource/LambdaResourceAllocation.java
index 62ce1bd..9095633 100644
--- a/core/api/src/main/java/org/onlab/onos/net/resource/LambdaResourceAllocation.java
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/LambdaResourceAllocation.java
@@ -7,6 +7,11 @@
         implements ResourceAllocation {
     private final Lambda lambda;
 
+    @Override
+    public ResourceType type() {
+        return ResourceType.LAMBDA;
+    }
+
     /**
      * Creates a new {@link LambdaResourceAllocation} with {@link Lambda}
      * object.
@@ -22,7 +27,7 @@
      *
      * @return the lambda resource
      */
-    Lambda lambda() {
+    public Lambda lambda() {
         return lambda;
     }
 }
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
index 5cc1414..93e6ea5 100644
--- 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
@@ -4,5 +4,5 @@
  * Abstraction of allocated resource.
  */
 public interface ResourceAllocation extends ResourceRequest {
-
+    ResourceType type();
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/ResourceType.java b/core/api/src/main/java/org/onlab/onos/net/resource/ResourceType.java
new file mode 100644
index 0000000..06a8174
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/ResourceType.java
@@ -0,0 +1,6 @@
+package org.onlab.onos.net.resource;
+
+public enum ResourceType {
+    LAMBDA,
+    BANDWIDTH,
+}