diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/RulePopulatorUtil.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/RulePopulatorUtil.java
new file mode 100644
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--- /dev/null
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/RulePopulatorUtil.java
@@ -0,0 +1,102 @@
+/*
+ * 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.openstacknetworking;
+
+import org.onlab.packet.Ip4Address;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.behaviour.ExtensionTreatmentResolver;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.instructions.ExtensionPropertyException;
+import org.onosproject.net.flow.instructions.ExtensionTreatment;
+import org.onosproject.net.flowobjective.DefaultForwardingObjective;
+import org.onosproject.net.flowobjective.FlowObjectiveService;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.slf4j.Logger;
+
+import static org.onosproject.net.flow.instructions.ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Provides common methods to help populating flow rules for SONA applications.
+ */
+public final class RulePopulatorUtil {
+
+    protected static final Logger log = getLogger(RulePopulatorUtil.class);
+
+    private static final String TUNNEL_DST = "tunnelDst";
+
+    private RulePopulatorUtil() {
+    }
+
+    /**
+     * Returns tunnel destination extension treatment object.
+     *
+     * @param deviceService driver service
+     * @param deviceId device id to apply this treatment
+     * @param remoteIp tunnel destination ip address
+     * @return extension treatment
+     */
+    public static ExtensionTreatment buildExtension(DeviceService deviceService,
+                                                    DeviceId deviceId,
+                                                    Ip4Address remoteIp) {
+        Device device = deviceService.getDevice(deviceId);
+        if (device != null && !device.is(ExtensionTreatmentResolver.class)) {
+            log.error("The extension treatment is not supported");
+            return null;
+        }
+
+        ExtensionTreatmentResolver resolver = device.as(ExtensionTreatmentResolver.class);
+        ExtensionTreatment treatment = resolver.getExtensionInstruction(NICIRA_SET_TUNNEL_DST.type());
+        try {
+            treatment.setPropertyValue(TUNNEL_DST, remoteIp);
+            return treatment;
+        } catch (ExtensionPropertyException e) {
+            log.warn("Failed to get tunnelDst extension treatment for {}", deviceId);
+            return null;
+        }
+    }
+
+    /**
+     * Removes flow rules with the supplied information.
+     *
+     * @param flowObjectiveService flow objective service
+     * @param appId application id
+     * @param deviceId device id to remove this flow rule
+     * @param selector traffic selector
+     * @param flag flag
+     * @param priority priority
+     */
+    public static void removeRule(FlowObjectiveService flowObjectiveService,
+                           ApplicationId appId,
+                           DeviceId deviceId,
+                           TrafficSelector selector,
+                           ForwardingObjective.Flag flag,
+                           int priority) {
+        ForwardingObjective fo = DefaultForwardingObjective.builder()
+                .withSelector(selector)
+                .withTreatment(DefaultTrafficTreatment.builder().build())
+                .withFlag(flag)
+                .withPriority(priority)
+                .fromApp(appId)
+                .remove();
+
+        flowObjectiveService.forward(deviceId, fo);
+    }
+}