diff --git a/apps/config/src/main/java/org/onosproject/config/DynamicConfigService.java b/apps/config/src/main/java/org/onosproject/config/DynamicConfigService.java
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+/*
+ * Copyright 2016-present 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.config;
+
+import org.onosproject.config.model.ResourceIdentifier;
+import org.onosproject.config.model.DataNode;
+import org.onosproject.event.ListenerService;
+
+/**
+ * Service for storing and distributing dynamic configuration data.
+ */
+public interface DynamicConfigService
+        extends ListenerService<DynamicConfigEvent, DynamicConfigListener> {
+    /**
+     * Creates a new node in the dynamic config store.
+     * This method would throw an exception if there is a node with the same
+     * identifier, already present at the specified path or any of the parent
+     * nodes were not present in the path leading up to the requested node.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the parent
+     * @param node recursive data structure, holding a leaf node or a subtree
+     * @throws FailedException if the new node could not be created
+     */
+    void createNode(ResourceIdentifier path, DataNode node);
+
+    /**
+     * Creates a new node in the dynamic config store.
+     * Creates any missing parent nodes, leading up to the given node.
+     * This method will throw an exception if there is a node with the same
+     * identifier, already present at the specified path or any of the parent
+     * nodes were not present in the path leading up to the requested node.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the parent
+     * @param node recursive data structure, holding a leaf node or a subtree
+     * @throws FailedException if the new node could not be created
+     */
+    void createNodeRecursive(ResourceIdentifier path, DataNode node);
+
+    /**
+     * Reads the requested node form the dynamic config store.
+     * This operation would get translated to reading a leaf node or a subtree.
+     * Will return an empty DataNode if after applying the filter, the result
+     * is an empty list of nodes. This method would throw an exception if the
+     * requested node or any parent nodes in the path were not present.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the intended node
+     * @param filter filtering conditions to be applied on the result list of nodes
+     * @return a recursive data structure, holding a leaf node or a subtree
+     * @throws FailedException if the requested node could not be read
+     */
+    DataNode readNode(ResourceIdentifier path, Filter filter);
+
+    /**
+     * Returns the number of children under the node at the given path.
+     * This method would throw an exception if the requested node or any parent
+     * nodes in the path were not present.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the intended node
+     * @param filter filtering conditions to be applied on the result list of nodes
+     * @return the number of children after applying the filtering conditions if any
+     * @throws FailedException if the request failed
+     */
+    Integer getNumberOfChildren(ResourceIdentifier path, Filter filter);
+
+    /**
+     * Updates an existing node in the dynamic config store.
+     * This method would throw an exception if the requested node, any of its
+     * children or any parent nodes in the path were not present.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the parent
+     * @param node recursive data structure, holding a leaf node or a subtree
+     * @throws FailedException if the update request failed
+     */
+    void updateNode(ResourceIdentifier path, DataNode node);
+
+    /**
+     * Updates an existing node in the dynamic config store.
+     * Any missing children nodes will be created with this request.
+     * This method would throw an exception if the requested node or any of the
+     * parent nodes in the path were not present.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the parent
+     * @param node recursive data structure, holding a leaf node or a subtree
+     * @throws FailedException if the update request failed for any reason
+     *
+     */
+    void updateNodeRecursive(ResourceIdentifier path, DataNode node);
+
+    /**
+     * Replaces nodes in the dynamic config store.
+     * This will ensure that only the tree structure in the given DataNode will
+     * be in place after a replace. This method would throw an exception if
+     * the requested node or any of the parent nodes in the path were not
+     * present. Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the parent
+     * @param node recursive data structure, holding a leaf node or a subtree
+     * @throws FailedException if the replace request failed
+     */
+    void replaceNode(ResourceIdentifier path, DataNode node);
+
+    /**
+     * Removes a leaf node from the dynamic config store.
+     * This method would throw an exception if the requested node or any of the
+     * parent nodes in the path were not present or the specified node is the
+     * root node or has one or more children.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the intended node
+     * @throws FailedException if the delete request failed
+     */
+    void deleteNode(ResourceIdentifier path);
+
+    /**
+     * Removes a subtree from the dynamic config store.
+     * This method will delete all the children recursively, under the given
+     * node. It will throw an exception if the requested node or any of the
+     * parent nodes in the path were not present.
+     * Failure reason will be the error message in the exception.
+     *
+     * @param path data structure with absolute path to the intended node
+     * @throws FailedException if the delete request failed
+     */
+    void deleteNodeRecursive(ResourceIdentifier path);
+
+    /**
+     * Adds a listener to be notified when a leaf or subtree rooted at the
+     * specified path is modified.
+     *
+     * @param path data structure with absolute path to the node being listened to
+     * @param listener listener to be notified
+     * @throws FailedException if the listener could not be added
+     */
+    void addConfigListener(ResourceIdentifier path, DynamicConfigListener listener);
+
+    /**
+     * Removes a previously added listener.
+     *
+     * @param path data structure with absolute path to the node being listened to
+     * @param listener listener to unregister
+     * @throws FailedException if the listener could not be removed
+     */
+    void removeConfigListener(ResourceIdentifier path, DynamicConfigListener listener);
+
+    /**
+     * Registers an RPC handler.
+     *
+     * @param handler RPC handler
+     * @param command RPC command
+     * @throws FailedException if the handler could not be added
+     */
+    void registerHandler(RpcHandler handler, RpcCommand command);
+
+    /**
+     * Unregisters an RPC receiver.
+     *
+     * @param handler RPC handler
+     * @param command RPC command
+     * @throws FailedException if the handler could not be removed
+     */
+    void unRegisterHandler(RpcHandler handler, RpcCommand command);
+
+    /**
+     * Invokes an RPC.
+     *
+     * @param caller of the of the RPC
+     * @param msgId RPC message id
+     * @param command RPC command
+     * @param input RPC input
+     * @throws FailedException if the RPC could not be invoked
+     */
+    void invokeRpc(RpcCaller caller, Integer msgId, RpcCommand command, RpcInput input);
+
+    /**
+     * Provides response to a a previously invoked RPC.
+     *
+     * @param msgId of a previously invoked RPC
+     * @param output data from the RPC execution
+     * @throws FailedException if the RPC response was invalid
+     * (or the msg id was not recognised by the store)
+     */
+    void rpcResponse(Integer msgId, RpcOutput output);
+}
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