diff --git a/core/api/src/main/java/org/onosproject/net/resource/ResourceStore.java b/core/api/src/main/java/org/onosproject/net/resource/ResourceStore.java
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+++ b/core/api/src/main/java/org/onosproject/net/resource/ResourceStore.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2015-2016 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.onosproject.net.resource;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.store.Store;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Service for storing resource and consumer information.
+ */
+@Beta
+public interface ResourceStore extends Store<ResourceEvent, ResourceStoreDelegate> {
+
+    /**
+     * Registers the resources in transactional way.
+     * Resource registration must be done before resource allocation. The state after completion
+     * of this method is all the resources are registered, or none of the given resources is registered.
+     * The whole registration fails when any one of the resource can't be registered.
+     *
+     * @param resources resources to be registered
+     * @return true if the registration succeeds, false otherwise
+     */
+    boolean register(List<Resource> resources);
+
+    /**
+     * Unregisters the resources in transactional way.
+     * The state after completion of this method is all the resources are unregistered,
+     * or none of the given resources is unregistered. The whole unregistration fails when any one of the
+     * resource can't be unregistered.
+     *
+     * @param ids resources to be unregistered
+     * @return true if the registration succeeds, false otherwise
+     */
+    boolean unregister(List<ResourceId> ids);
+
+    /**
+     * Allocates the specified resources to the specified consumer in transactional way.
+     * The state after completion of this method is all the resources are allocated to the consumer,
+     * or no resource is allocated to the consumer. The whole allocation fails when any one of
+     * the resource can't be allocated.
+     *
+     * @param resources resources to be allocated
+     * @param consumer resource consumer which the resources are allocated to
+     * @return true if the allocation succeeds, false otherwise.
+     */
+    boolean allocate(List<Resource> resources, ResourceConsumer consumer);
+
+    /**
+     * Releases the specified allocated resources in transactional way.
+     * The state after completion of this method is all the resources
+     * are released from the consumer, or no resource is released. The whole release fails
+     * when any one of the resource can't be released. The size of the list of resources and
+     * that of consumers must be equal. The resource and consumer with the same position from
+     * the head of each list correspond to each other.
+     *
+     * @param allocations allocaitons to be released
+     * @return true if succeeds, otherwise false
+     */
+    boolean release(List<ResourceAllocation> allocations);
+
+    /**
+     * Returns the resource consumers to whom the specified resource is allocated.
+     * The return value is a list having only one element when the given resource is discrete type.
+     * The return value may have multiple elements when the given resource is continuous type.
+     *
+     * @param id ID of the resource whose allocated consumer to be returned
+     * @return resource consumers who are allocated the resource.
+     * Returns empty list if there is no such consumer.
+     */
+    List<ResourceAllocation> getResourceAllocations(ResourceId id);
+
+    /**
+     * Returns the availability of the specified resource.
+     *
+     * @param resource resource to check the availability
+     * @return true if available, otherwise false
+     */
+    boolean isAvailable(Resource resource);
+
+    /**
+     * Returns a collection of the resources allocated to the specified consumer.
+     *
+     * @param consumer resource consumer whose allocated resource are searched for
+     * @return a collection of the resources allocated to the specified consumer
+     */
+    Collection<Resource> getResources(ResourceConsumer consumer);
+
+    /**
+     * Returns a set of the child resources of the specified parent.
+     *
+     * @param parent ID of the parent of the resource to be returned
+     * @return a set of the child resources of the specified resource
+     */
+    Set<Resource> getChildResources(DiscreteResourceId parent);
+
+    /**
+     * Returns a collection of the resources which are children of the specified parent and
+     * whose type is the specified class.
+     *
+     * @param parent ID of the parent of the resources to be returned
+     * @param cls class instance of the children
+     * @param <T> type of the resource
+     * @return a collection of the resources which belongs to the specified subject and
+     * whose type is the specified class.
+     */
+    <T> Collection<Resource> getAllocatedResources(DiscreteResourceId parent, Class<T> cls);
+}