diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceAllocations.java b/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceAllocations.java
new file mode 100644
index 0000000..51515e7
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceAllocations.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onlab.onos.net.resource;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.intent.IntentId;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+/**
+ * Implementation of {@link LinkResourceAllocations}.
+ */
+public class DefaultLinkResourceAllocations implements LinkResourceAllocations {
+    private final LinkResourceRequest request;
+    // TODO: probably should be using LinkKey instead
+    private final Map<Link, Set<ResourceAllocation>> allocations;
+
+    /**
+     * Creates a new link resource allocations.
+     *
+     * @param request     requested resources
+     * @param allocations allocated resources
+     */
+    public DefaultLinkResourceAllocations(LinkResourceRequest request,
+                                   Map<Link, Set<ResourceAllocation>> allocations) {
+        this.request = checkNotNull(request);
+        ImmutableMap.Builder<Link, Set<ResourceAllocation>> builder
+            = ImmutableMap.builder();
+        for (Entry<Link, Set<ResourceAllocation>> e : allocations.entrySet()) {
+            builder.put(e.getKey(), ImmutableSet.copyOf(e.getValue()));
+        }
+        this.allocations = builder.build();
+    }
+
+    @Override
+    public IntentId intendId() {
+        return request.intendId();
+    }
+
+    @Override
+    public Collection<Link> links() {
+        return request.links();
+    }
+
+    @Override
+    public Set<ResourceRequest> resources() {
+        return request.resources();
+    }
+
+    @Override
+    public ResourceType type() {
+        return null;
+    }
+
+    @Override
+    public Set<ResourceAllocation> getResourceAllocation(Link link) {
+        Set<ResourceAllocation> result = allocations.get(link);
+        if (result == null) {
+            result = Collections.emptySet();
+        }
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("allocations", allocations)
+                .toString();
+    }
+}