diff --git a/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPCfg.java b/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPCfg.java
new file mode 100755
index 0000000..a8edf5e
--- /dev/null
+++ b/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPCfg.java
@@ -0,0 +1,334 @@
+/*
+ * Copyright 2015 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.bgp.controller;
+
+import java.util.TreeMap;
+
+/**
+ * Abstraction of an BGP configuration. Manages the BGP configuration from CLI to the BGP controller.
+ */
+public interface BGPCfg {
+
+    enum State {
+        /**
+         * Signifies that its just created.
+         */
+        INIT,
+
+        /**
+         * Signifies that only IP Address is configured.
+         */
+        IP_CONFIGURED,
+
+        /**
+         * Signifies that only Autonomous System is configured.
+         */
+        AS_CONFIGURED,
+
+        /**
+         * Signifies that both IP and Autonomous System is configured.
+         */
+        IP_AS_CONFIGURED
+    }
+
+    /**
+     * Returns the status of the configuration based on this state certain operations like connection is handled.
+     *
+     * @return
+     *          State of the configuration
+     */
+    State getState();
+
+    /**
+     * To set the current state of the configuration.
+     *
+     * @param state
+     *          Configuration State enum
+     */
+    void setState(State state);
+
+    /**
+     * Get the status of the link state support for this BGP speaker.
+     *
+     * @return
+     *          true if the link state is supported else false
+     */
+    boolean getLsCapability();
+
+    /**
+     * Set the link state support to this BGP speaker.
+     *
+     * @param lscapability
+     *                  true value if link state is supported else false
+     */
+    void setLsCapability(boolean lscapability);
+
+    /**
+     * Get the status of the 32 bit AS support for this BGP speaker.
+     *
+     * @return
+     *          true if the 32 bit AS number is supported else false
+     */
+    boolean getLargeASCapability();
+
+    /**
+     * Set the 32 bit AS support capability to this BGP speaker.
+     *
+     * @param largeAs
+     *          true value if the 32 bit AS is supported else false
+     */
+    void setLargeASCapability(boolean largeAs);
+
+    /**
+     * Set the AS number to which this BGP speaker belongs.
+     *
+     * @param localAs
+     *          16 or 32 bit AS number, length is dependent on the capability
+     */
+    void setAsNumber(int localAs);
+
+    /**
+     * Get the AS number to which this BGP speaker belongs.
+     *
+     * @return
+     *          16 or 32 bit AS number, length is dependent on the capability
+     */
+    int getAsNumber();
+
+    /**
+     * Get the connection retry count number.
+     *
+     * @return
+     *          connection retry count if there is a connection error
+     */
+    int getMaxConnRetryCount();
+
+    /**
+     * Set the connection retry count.
+     *
+     * @param retryCount
+     *          number of times to try to connect if there is any error
+     */
+    void setMaxConnRetryCout(int retryCount);
+
+    /**
+     * Get the connection retry time in seconds.
+     *
+     * @return
+     *          connection retry time in seconds
+     */
+    int getMaxConnRetryTime();
+
+    /**
+     * Set the connection retry time in seconds.
+     *
+     * @param retryTime
+     *          connection retry times in seconds
+     */
+    void setMaxConnRetryTime(int retryTime);
+
+    /**
+     * Set the keep alive timer for the connection.
+     *
+     * @param holdTime
+     *          connection hold timer in seconds
+     */
+    void setHoldTime(short holdTime);
+
+    /**
+     * Returns the connection hold timer in seconds.
+     *
+     * @return
+     *          connection hold timer in seconds
+     */
+    short getHoldTime();
+
+    /**
+     * Returns the maximum number of session supported.
+     *
+     * @return
+     *          maximum number of session supported
+     */
+    int getMaxSession();
+
+    /**
+     * Set the maximum number of sessions to support.
+     *
+     * @param maxsession
+     *          maximum number of session
+     */
+    void setMaxSession(int maxsession);
+
+    /**
+     * Returns the Router ID of this BGP speaker.
+     *
+     * @return
+     *          IP address in string format
+     */
+    String getRouterId();
+
+    /**
+     * Set the Router ID of this BGP speaker.
+     *
+     * @param routerid
+     *          IP address in string format
+     */
+    void setRouterId(String routerid);
+
+    /**
+     * Add the BGP peer IP address and the AS number to which it belongs.
+     *
+     * @param routerid
+     *          IP address in string format
+     * @param remoteAs
+     *          AS number to which it belongs
+     * @return
+     *          true if added successfully else false
+     */
+    boolean addPeer(String routerid, int remoteAs);
+
+    /**
+     * Add the BGP peer IP address and the keep alive time.
+     *
+     * @param routerid
+     *          IP address in string format
+     * @param holdTime
+     *          keep alive time for the connection
+     * @return
+     *          true if added successfully else false
+     */
+    boolean addPeer(String routerid, short holdTime);
+
+    /**
+     * Add the BGP peer IP address, the AS number to which it belongs and keep alive time.
+     *
+     * @param routerid
+     *          IP address in string format
+     * @param remoteAs
+     *          AS number to which it belongs
+     * @param holdTime
+     *          keep alive time for the connection
+     * @return
+     *          true if added successfully else false
+     */
+    boolean addPeer(String routerid, int remoteAs, short holdTime);
+
+    /**
+     * Remove the BGP peer with this IP address.
+     *
+     * @param routerid
+     *          router IP address
+     * @return
+     *          true if removed successfully else false
+     */
+    boolean removePeer(String routerid);
+
+    /**
+     * Connect to BGP peer with this IP address.
+     *
+     * @param routerid
+     *          router IP address
+     * @return
+     *          true of the configuration is found and able to connect else false
+     */
+    boolean connectPeer(String routerid);
+
+    /**
+     * Disconnect this BGP peer with this IP address.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @return
+     *          true if the configuration is found and able to disconnect else false
+     */
+    boolean disconnectPeer(String routerid);
+
+    /**
+     * Returns the peer tree information.
+     *
+     * @return
+     *          return the tree map with IP as key and BGPPeerCfg as object
+     */
+    TreeMap<String, BGPPeerCfg> displayPeers();
+
+    /**
+     * Return the BGP Peer information with this matching IP.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @return
+     *          BGPPeerCfg object
+     */
+    BGPPeerCfg displayPeers(String routerid);
+
+    /**
+     * Check if this BGP peer is configured.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @return
+     *          true if configured exists else false
+     */
+    boolean isPeerConfigured(String routerid);
+
+    /**
+     * Check if this BGP speaker is having connection with the peer.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @return
+     *          true if the connection exists else false
+     */
+    boolean isPeerConnected(String routerid);
+
+    /**
+     * Return the peer tree map.
+     *
+     * @return
+     *          return the tree map with IP as key and BGPPeerCfg as object
+     */
+    TreeMap<String, BGPPeerCfg> getPeerTree();
+
+    /**
+     * Set the current connection state information.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @param state
+     *          state information
+     */
+    void setPeerConnState(String routerid, BGPPeerCfg.State state);
+
+    /**
+     * Check if the peer can be connected or not.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @return
+     *          true if the peer can be connected else false
+     */
+    boolean isPeerConnectable(String routerid);
+
+    /**
+     * Get the current peer connection state information.
+     *
+     * @param routerid
+     *          router IP address in string format
+     * @return
+     *          state information
+     */
+    BGPPeerCfg.State getPeerConnState(String routerid);
+}
diff --git a/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPPeerCfg.java b/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPPeerCfg.java
new file mode 100755
index 0000000..87ec031
--- /dev/null
+++ b/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPPeerCfg.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2015 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.bgp.controller;
+
+/**
+ * BGP Peer configuration information.
+ */
+public interface BGPPeerCfg {
+
+    enum State {
+
+        /**
+         * Signifies that peer connection is idle.
+         */
+        IDLE,
+
+        /**
+         * Signifies that connection is initiated.
+         */
+        CONNECT,
+
+        /**
+         * Signifies that state is active and connection can be established.
+         */
+        ACTIVE,
+
+        /**
+         * Signifies that open is sent and anticipating reply.
+         */
+        OPENSENT,
+
+        /**
+         * Signifies that peer sent the open message as reply.
+         */
+        OPENCONFIRM,
+
+        /**
+         * Signifies that all the negotiation is successful and ready to exchange other messages.
+         */
+        ESTABLISHED,
+
+        /**
+         * Signifies that invalid state.
+         */
+        INVALID
+    }
+
+    /**
+     * Returns the connection State information of the peer.
+     *
+     * @return
+     *          enum state is returned
+     */
+    State getState();
+
+    /**
+     * Set the connection state information of the peer.
+     *
+     * @param state
+     *          enum state
+     */
+    void setState(State state);
+
+    /**
+     * Returns the connection is initiated from us or not.
+     *
+     * @return
+     *          true if the connection is initiated by this peer, false if it has been received.
+     */
+    boolean getSelfInnitConnection();
+
+    /**
+     * Set the connection is initiated from us or not.
+     *
+     * @param selfInit
+     *          true if the connection is initiated by this peer, false if it has been received.
+     */
+    void setSelfInnitConnection(boolean selfInit);
+
+    /**
+     * Returns the AS number to which this peer belongs.
+     *
+     * @return
+     *          AS number
+     */
+    int getAsNumber();
+
+    /**
+     * Set the AS number to which this peer belongs.
+     *
+     * @param asNumber
+     *          AS number
+     */
+    void setAsNumber(int asNumber);
+
+    /**
+     * Get the keep alive timer value configured.
+     *
+     * @return
+     *          keep alive timer value in seconds
+     */
+    short getHoldtime();
+
+    /**
+     * Set the keep alive timer value.
+     *
+     * @param holdTime
+     *          keep alive timer value in seconds
+     */
+    void setHoldtime(short holdTime);
+
+    /**
+     * Return the connection type eBGP or iBGP.
+     *
+     * @return
+     *          true if iBGP, false if it is eBGP
+     */
+    boolean getIsIBgp();
+
+    /**
+     * Set the connection type eBGP or iBGP.
+     *
+     * @param isIBgp
+     *          true if iBGP, false if it is eBGP
+     */
+    void setIsIBgp(boolean isIBgp);
+
+    /**
+     * Return the peer router IP address.
+     *
+     * @return
+     *          IP address in string format
+     */
+    String getPeerRouterId();
+
+    /**
+     * Set the peer router IP address.
+     *
+     * @param peerId
+     *          IP address in string format
+     */
+    void setPeerRouterId(String peerId);
+
+    /**
+     * Set the peer router IP address and AS number.
+     *
+     * @param peerId
+     *          IP address in string format
+     * @param asNumber
+     *          AS number
+     */
+    void setPeerRouterId(String peerId, int asNumber);
+}
diff --git a/bgp/api/src/main/java/org/onosproject/bgp/controller/package-info.java b/bgp/api/src/main/java/org/onosproject/bgp/controller/package-info.java
new file mode 100755
index 0000000..4dd775b
--- /dev/null
+++ b/bgp/api/src/main/java/org/onosproject/bgp/controller/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2015 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.
+ */
+
+/**
+ * BGP controller API.
+ */
+package org.onosproject.bgp.controller;