diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/IntentRequestListener.java b/apps/routing-api/src/main/java/org/onosproject/routing/IntentRequestListener.java
new file mode 100644
index 0000000..2d1bb31
--- /dev/null
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/IntentRequestListener.java
@@ -0,0 +1,76 @@
+/*
+ * 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.routing;
+
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onosproject.net.ConnectPoint;
+
+/**
+ * An interface to process intent requests.
+ */
+public interface IntentRequestListener {
+
+    /**
+     * Sets up connectivity for packet from Internet to a host in local
+     * SDN network.
+     *
+     * @param dstIpAddress IP address of destination host in local SDN network
+     */
+    void setUpConnectivityInternetToHost(IpAddress dstIpAddress);
+
+    /**
+     * Sets up the connectivity for two hosts in local SDN network.
+     *
+     * @param dstIpAddress the destination IP address
+     * @param srcIpAddress the source IP address
+     * @param srcMacAddress the source MAC address
+     * @param srcConnectPoint the connectPoint of the source host
+     */
+    void setUpConnectivityHostToHost(IpAddress dstIpAddress,
+                                     IpAddress srcIpAddress,
+                                     MacAddress srcMacAddress,
+                                     ConnectPoint srcConnectPoint);
+
+    /**
+     * Adds one new ingress connect point into ingress points of an existing
+     * intent and resubmits the new intent.
+     * <p>
+     * If there is already an intent for an IP prefix in the system, we do not
+     * need to create a new one, we only need to update this existing intent by
+     * adding more ingress points.
+     * </p>
+     *
+     * @param ipPrefix the IP prefix used to search the existing
+     *        MultiPointToSinglePointIntent
+     * @param ingressConnectPoint the ingress connect point to be added into
+     *        the exiting intent
+     */
+    void updateExistingMp2pIntent(IpPrefix ipPrefix,
+                                  ConnectPoint ingressConnectPoint);
+
+    /**
+     * Checks whether there is a MultiPointToSinglePointIntent in memory for a
+     * given IP prefix.
+     *
+     * @param ipPrefix the IP prefix used to search the existing
+     *        MultiPointToSinglePointIntent
+     * @return true if there is a MultiPointToSinglePointIntent, otherwise false
+     */
+    boolean mp2pIntentExists(IpPrefix ipPrefix);
+
+}
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java b/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java
index fdd4f2c..4356984 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java
@@ -17,17 +17,92 @@
 
 import java.util.Collection;
 
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onosproject.net.ConnectPoint;
+
 /**
  * Provides a way of interacting with the RIB management component.
  */
 public interface RoutingService {
 
     /**
-     * Starts the routing service.
-     *
-     * @param listener listener to send FIB updates to
+     * Specifies the type of an IP address or an IP prefix location.
      */
-    public void start(FibListener listener);
+    public static enum LocationType {
+        /**
+         * The location of an IP address or an IP prefix is in local SDN network.
+         */
+        LOCAL,
+        /**
+         * The location of an IP address or an IP prefix is outside local SDN network.
+         */
+        INTERNET,
+        /**
+         * There is no route for this IP address or IP prefix.
+         */
+        NO_ROUTE
+    }
+
+    /**
+     * Specifies the type of traffic.
+     * <p>
+     * We classify traffic by the first packet of each traffic.
+     * </p>
+     */
+    public enum TrafficType {
+        /**
+         * Traffic from a host located in local SDN network wants to
+         * communicate with destination host located in Internet (outside
+         * local SDN network).
+         */
+        HOST_TO_INTERNET,
+        /**
+         * Traffic from Internet wants to communicate with a host located
+         * in local SDN network.
+         */
+        INTERNET_TO_HOST,
+        /**
+         * Both the source host and destination host of a traffic are in
+         * local SDN network.
+         */
+        HOST_TO_HOST,
+        /**
+         * Traffic from Internet wants to traverse local SDN network.
+         */
+        INTERNET_TO_INTERNET,
+        /**
+         * Any traffic wants to communicate with a destination which has
+         * no route, or traffic from Internet wants to access a local private
+         * IP address.
+         */
+        DROP,
+        /**
+         * Traffic does not belong to the types above.
+         */
+        UNKNOWN
+    }
+
+    /**
+     * Starts the routing service.
+     */
+    public void start();
+
+    /**
+     * Adds FIB listener.
+     *
+     * @param fibListener listener to send FIB updates to
+     */
+    public void addFibListener(FibListener fibListener);
+
+    /**
+     * Adds intent creation and submission listener.
+     *
+     * @param intentRequestListener listener to send intent creation and
+     *        submission request to
+     */
+    public void addIntentRequestListener(IntentRequestListener
+                                         intentRequestListener);
 
     /**
      * Stops the routing service.
@@ -47,4 +122,43 @@
      * @return the SDN-IP IPv6 routes
      */
     public Collection<RouteEntry> getRoutes6();
+
+    /**
+     * Evaluates the location of an IP address and returns the location type.
+     *
+     * @param ipAddress the IP address to evaluate
+     * @return the IP address location type
+     */
+    public LocationType getLocationType(IpAddress ipAddress);
+
+    /**
+     * Finds out the route entry which has the longest matchable IP prefix.
+     *
+     * @param ipAddress IP address used to find out longest matchable IP prefix
+     * @return a route entry which has the longest matchable IP prefix if
+     * found, otherwise null
+     */
+    public RouteEntry getLongestMatchableRouteEntry(IpAddress ipAddress);
+
+    /**
+     * Finds out the egress connect point where to emit the first packet
+     * based on destination IP address.
+     *
+     * @param dstIpAddress the destination IP address
+     * @return the egress connect point if found, otherwise null
+     */
+    public ConnectPoint getEgressConnectPoint(IpAddress dstIpAddress);
+
+    /**
+     * Routes packet reactively.
+     *
+     * @param dstIpAddress the destination IP address of a packet
+     * @param srcIpAddress the source IP address of a packet
+     * @param srcConnectPoint the connect point where a packet comes from
+     * @param srcMacAddress the source MAC address of a packet
+     */
+    public void packetReactiveProcessor(IpAddress dstIpAddress,
+                                        IpAddress srcIpAddress,
+                                        ConnectPoint srcConnectPoint,
+                                        MacAddress srcMacAddress);
 }
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/config/LocalIpPrefixEntry.java b/apps/routing-api/src/main/java/org/onosproject/routing/config/LocalIpPrefixEntry.java
new file mode 100644
index 0000000..a2f3c8c
--- /dev/null
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/config/LocalIpPrefixEntry.java
@@ -0,0 +1,126 @@
+/*
+ * 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.routing.config;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.common.base.MoreObjects;
+
+import java.util.Objects;
+
+import org.onlab.packet.IpPrefix;
+
+/**
+ * Configuration details for an IP prefix entry.
+ */
+public class LocalIpPrefixEntry {
+    private final IpPrefix ipPrefix;
+    private final IpPrefixType type;
+
+    /**
+     * Specifies the type of local IP prefix.
+     */
+    public enum IpPrefixType {
+        /**
+         * Public IP prefixes should be exchanged by eBGP.
+         */
+        PUBLIC,
+        /**
+         * Private IP prefixes should be used only locally and not exchanged
+         * by eBGP.
+         */
+        PRIVATE,
+        /**
+         * For IP prefixes in blacklist.
+         */
+        BLACK_LIST
+    }
+
+    /**
+     * Creates a new IP prefix entry.
+     *
+     * @param ipPrefix an IP prefix as a String
+     * @param type an IP prefix type as an IpPrefixType
+     */
+    public LocalIpPrefixEntry(@JsonProperty("ipPrefix") String ipPrefix,
+                              @JsonProperty("type") IpPrefixType type) {
+        this.ipPrefix = IpPrefix.valueOf(ipPrefix);
+        this.type = type;
+    }
+
+    /**
+     * Gets the IP prefix of the IP prefix entry.
+     *
+     * @return the IP prefix
+     */
+    public IpPrefix ipPrefix() {
+        return ipPrefix;
+    }
+
+    /**
+     * Gets the IP prefix type of the IP prefix entry.
+     *
+     * @return the IP prefix type
+     */
+    public IpPrefixType ipPrefixType() {
+        return type;
+    }
+
+    /**
+     * Tests whether the IP version of this entry is IPv4.
+     *
+     * @return true if the IP version of this entry is IPv4, otherwise false.
+     */
+    public boolean isIp4() {
+        return ipPrefix.isIp4();
+    }
+
+    /**
+     * Tests whether the IP version of this entry is IPv6.
+     *
+     * @return true if the IP version of this entry is IPv6, otherwise false.
+     */
+    public boolean isIp6() {
+        return ipPrefix.isIp6();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(ipPrefix, type);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        }
+
+        if (!(obj instanceof LocalIpPrefixEntry)) {
+            return false;
+        }
+
+        LocalIpPrefixEntry that = (LocalIpPrefixEntry) obj;
+        return Objects.equals(this.ipPrefix, that.ipPrefix)
+                && Objects.equals(this.type, that.type);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("ipPrefix", ipPrefix)
+                .add("ipPrefixType", type)
+                .toString();
+    }
+}
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/config/RoutingConfigurationService.java b/apps/routing-api/src/main/java/org/onosproject/routing/config/RoutingConfigurationService.java
index 113daa7..a306328 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/config/RoutingConfigurationService.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/config/RoutingConfigurationService.java
@@ -16,6 +16,7 @@
 package org.onosproject.routing.config;
 
 import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
 import org.onosproject.net.ConnectPoint;
 
 import java.util.Map;
@@ -41,6 +42,22 @@
     public Map<IpAddress, BgpPeer> getBgpPeers();
 
     /**
+     * Evaluates whether an IP address belongs to local SDN network.
+     *
+     * @param ipAddress the IP address to evaluate
+     * @return true if the IP address belongs to local SDN network, otherwise false
+     */
+    public boolean isIpAddressLocal(IpAddress ipAddress);
+
+    /**
+     * Evaluates whether an IP prefix belongs to local SDN network.
+     *
+     * @param ipPrefix the IP prefix to evaluate
+     * @return true if the IP prefix belongs to local SDN network, otherwise false
+     */
+    public boolean isIpPrefixLocal(IpPrefix ipPrefix);
+
+    /**
      * Retrieves the entire set of interfaces in the network.
      *
      * @return the set of interfaces