diff --git a/apps/inbandtelemetry/BUILD b/apps/inbandtelemetry/BUILD
new file mode 100644
index 0000000..3a6d7eb
--- /dev/null
+++ b/apps/inbandtelemetry/BUILD
@@ -0,0 +1,15 @@
+BUNDLES = [
+    "//apps/inbandtelemetry/api:onos-apps-inbandtelemetry-api",
+    "//apps/inbandtelemetry/impl:onos-apps-inbandtelemetry-impl",
+    "//apps/inbandtelemetry/app:onos-apps-inbandtelemetry-app",
+]
+
+onos_app(
+    app_name = "org.onosproject.inbandtelemetry",
+    category = "Monitoring",
+    description = "Provides managements of INT-capable devices. Specifies flows to enable INT and" +
+                  "types of metadata to collect. Sets up INT-related information.",
+    included_bundles = BUNDLES,
+    title = "P4 In-band Network Telemetry Service",
+    url = "http://onosproject.org",
+)
diff --git a/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntConfig.java b/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntConfig.java
index a3e6148..c5af580 100644
--- a/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntConfig.java
+++ b/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntConfig.java
@@ -30,7 +30,7 @@
     /**
      * Represents a type of telemetry spec to collect in the dataplane.
      */
-    enum TelemetrySpec {
+    public enum TelemetrySpec {
         /**
          * Embeds telemetry metadata according to the INT specification.
          *
diff --git a/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntProgrammable.java b/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntProgrammable.java
index 452b787..507f870 100644
--- a/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntProgrammable.java
+++ b/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntProgrammable.java
@@ -16,18 +16,64 @@
 package org.onosproject.inbandtelemetry.api;
 
 import com.google.common.annotations.Beta;
+import org.onosproject.net.PortNumber;
 import org.onosproject.net.driver.HandlerBehaviour;
 
-import java.util.concurrent.CompletableFuture;
-
+/**
+ * Abstraction of a device implementing In-band Network Telemetry (INT)
+ * capabilities.
+ */
 @Beta
 public interface IntProgrammable extends HandlerBehaviour {
 
     /**
-     * Initializes the pipeline, by installing required flow rules
-     * not relevant to specific watchlist, report and event.
+     * INT functionalities that a device can implement.
      */
-    void init();
+    enum IntFunctionality {
+        /**
+         * Source functionality.
+         */
+        SOURCE,
+        /**
+         * Sink functionality.
+         */
+        SINK,
+        /**
+         * Transit functionality.
+         */
+        TRANSIT
+    }
+
+    /**
+     * Initializes the pipeline, by installing required flow rules not relevant
+     * to specific watchlist, report and event. Returns true if the operation
+     * was successful, false otherwise.
+     *
+     * @return true if successful, false otherwise
+     */
+    boolean init();
+
+    /**
+     * Configures the given port as an INT source port. Packets received via
+     * this port can be modified to add the INT header, if a corresponding  INT
+     * objective is matched. Returns true if the operation was successful, false
+     * otherwise.
+     *
+     * @param port port
+     * @return true if successful, false otherwise
+     */
+    boolean setSourcePort(PortNumber port);
+
+    /**
+     * Configures the given port as an INT sink port. Packets forwarded via this
+     * port will be stripped of the INT header and a corresponding INT report
+     * will be generated. Returns true if the operation was successful, false
+     * otherwise.
+     *
+     * @param port port
+     * @return true if successful, false otherwise
+     */
+    boolean setSinkPort(PortNumber port);
 
     /**
      * Adds a given IntObjective to the device.
@@ -35,7 +81,7 @@
      * @param obj an IntObjective
      * @return true if the objective is successfully added; false otherwise.
      */
-    CompletableFuture<Boolean> addIntObjective(IntObjective obj);
+    boolean addIntObjective(IntObjective obj);
 
     /**
      * Removes a given IntObjective entry from the device.
@@ -43,7 +89,7 @@
      * @param obj an IntObjective
      * @return true if the objective is successfully removed; false otherwise.
      */
-    CompletableFuture<Boolean> removeIntObjective(IntObjective obj);
+    boolean removeIntObjective(IntObjective obj);
 
     /**
      * Set up report-related configuration.
@@ -51,7 +97,20 @@
      * @param config a configuration regarding to the collector
      * @return true if the objective is successfully added; false otherwise.
      */
-    CompletableFuture<Boolean> setupIntConfig(IntConfig config);
+    boolean setupIntConfig(IntConfig config);
+
+    /**
+     * Clean up any INT-related configuration from the device.
+     */
+    void cleanup();
+
+    /**
+     * Returns true if this device supports the given INT functionality.
+     *
+     * @param functionality INt functionality
+     * @return true if functionality is supported, false otherwise
+     */
+    boolean supportsFunctionality(IntFunctionality functionality);
 
     //TODO: [ONOS-7616] Design IntEvent and related APIs
 }
diff --git a/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntService.java b/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntService.java
index ef2e1ad..59e65c3 100644
--- a/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntService.java
+++ b/apps/inbandtelemetry/api/src/main/java/org/onosproject/inbandtelemetry/api/IntService.java
@@ -43,13 +43,13 @@
     }
 
     /**
-     * Starts the INT functionalities in all INT-capable devices.
+     * Starts the INT functionality in all INT-capable devices.
      * This will include populating tables to process INT packets.
      */
     void startInt();
 
     /**
-     * Starts the INT functionalities in specified set of INT transit devices.
+     * Starts the INT functionality in specified set of INT transit devices.
      * <p>
      * Note: this is an experimental API, which can be either changed or removed.
      *
@@ -116,4 +116,4 @@
     Map<IntIntentId, IntIntent> getIntIntents();
 
     //TODO: [ONOS-7616] Design IntEvent and related APIs
-}
\ No newline at end of file
+}
diff --git a/apps/inbandtelemetry/app/BUILD b/apps/inbandtelemetry/app/BUILD
new file mode 100644
index 0000000..3391ffa
--- /dev/null
+++ b/apps/inbandtelemetry/app/BUILD
@@ -0,0 +1,11 @@
+COMPILE_DEPS = CORE_DEPS + KRYO + JACKSON + [
+    "//core/store/serializers:onos-core-serializers",
+    "//apps/inbandtelemetry/api:onos-apps-inbandtelemetry-api",
+]
+
+TEST_DEPS = TEST_REST
+
+osgi_jar_with_tests(
+    test_deps = TEST_DEPS,
+    deps = COMPILE_DEPS,
+)
diff --git a/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/IntControl.java b/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/IntControl.java
deleted file mode 100644
index efd3590..0000000
--- a/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/IntControl.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright 2015-present Open Networking Foundation
- *
- * 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.inbandtelemetry.app;
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.onosproject.core.CoreService;
-import org.onosproject.inbandtelemetry.api.IntService;
-import org.onosproject.net.host.HostService;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Component(immediate = true)
-public class IntControl {
-    private final Logger log = LoggerFactory.getLogger(getClass());
-//    private ApplicationId appId;
-//    private static final int collectorPort = 1234;
-//    private static final IpAddress collectorIp = IpAddress.valueOf("10.0.0.3");
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected CoreService coreService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected IntService intService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected HostService hostService;
-
-    @Activate
-    protected void activate() {
-        coreService.registerApplication("org.onosproject.inbandtelemetry.app");
-        log.info("Started");
-    }
-
-    @Deactivate
-    protected void deactivate() {
-        log.info("Stopped");
-    }
-}
diff --git a/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/package-info.java b/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/package-info.java
deleted file mode 100644
index 859bdf7..0000000
--- a/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/package-info.java
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright 2015-present Open Networking Foundation
- *
- * 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.
- */
-
-/**
- * IntService sample application.
- */
-package org.onosproject.inbandtelemetry.app;
diff --git a/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.css b/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.css
index 1cfd447..7c2bbe2 100644
--- a/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.css
+++ b/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.css
@@ -58,6 +58,10 @@
     text-align: center;
 }
 
+#ov-int-app-main input {
+    padding: 4px;
+    font-size: inherit;
+}
 
 .light #ov-int-app-main .int-app-config-button {
     color: white;
@@ -68,8 +72,25 @@
     background-color: #aaa;
 }
 /*---------------------------------------------------------------------------*/
+#ov-int-app-main hr {
+    border: 0;
+    height: 1px;
+    background: #333;
+}
+
 #ov-int-app-main h2 {
     display: inline-block;
+    margin: 15px 0px 15px;
+}
+
+#ov-int-app-main h3 {
+    display: inline-block;
+    margin-bottom: 10px;
+}
+
+#ov-int-app-main h4 {
+    display: inline-block;
+    margin-bottom: 10px;
 }
 /* #ov-int-app-main .table-body{
     display: inline-block;
diff --git a/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.html b/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.html
index 42717e0..8c39cdc 100644
--- a/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.html
+++ b/apps/inbandtelemetry/app/src/main/resources/app/view/intApp/intApp.html
@@ -1,62 +1,128 @@
 <!-- partial HTML -->
 <div id="ov-int-app-main">
-    <div class="config-panel">
-        <div>
-            Collector IP
-            <input type="text" required pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}$" ng-model="collectorIp">
+    <div class="tabular-header">
+        <h2 style="font-weight: bold">In-band Network Telemetry (INT) Control
+            Application</h2>
+    </div>
 
-            Collector Port
-            <input type="text" required pattern="^[0-9]{0,5}$" ng-model="collectorPort">
-        </div>
-    </div>
-    <div class="config-button-panel">
-        <div class = "int-app-config-button" ng-click="sendIntConfigString()">
-            Deploy
-        </div>
-    </div>
     <hr>
-    <div class="input-panel">
-        <div>
-            Src Address
-            <input type="text" required pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}(/[0-9]{1,2})?$" ng-model="ip4SrcPrefix">
 
-            Dst Address
-            <input type="text" required pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}(/[0-9]{1,2})?$" ng-model="ip4DstPrefix">
-
-            Src Port
-            <input type="text" required pattern="^[0-9]{0,5}$" ng-model="l4SrcPort">
-
-            Dst Port
-            <input type="text" required pattern="^[0-9]{0,5}$" ng-model="l4DstPort">
-
-            Protocol
-            <select name="protocol" ng-model="protocol">
-                <option selected disabled hidden style="display: none" value=''></option>
-                <option value="TCP">TCP</option>
-                <option value="UDP">UDP</option>
-            </select>
+    <div class="tabular-header">
+        <h2>
+            INT Collector Configuration
+        </h2>
+        <div class="config-panel">
+            <h3>
+                Collector IPv4 address and UDP port
+            </h3>
+            <div>
+                <input type="text" required
+                       pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}$"
+                       ng-model="collectorIp" placeholder="IPv4 address">
+                :
+                <input type="text" required pattern="^[0-9]{0,5}$"
+                       ng-model="collectorPort" placeholder="port">
+            </div>
         </div>
-        <div>
-            <input type="checkbox" ng-model= "metaSwId">Switch Id
-            <input type="checkbox" ng-model= "metaPortId">Port Id
-            <input type="checkbox" ng-model= "metaHopLatency">Hop Latency
-            <input type="checkbox" ng-model= "metaQOccupancy">Queue Occupancy
-            <input type="checkbox" ng-model= "metaIngressTstamp">Ingress Timestamp
-            <input type="checkbox" ng-model= "metaEgressTstamp">Egress Timestamp
-            <!--<input type="checkbox" ng-model= "metaQCongestion">Queue Congestion Status-->
-            <input type="checkbox" ng-model= "metaEgressTx">Egress Port Tx Utilization
+        <div class="config-button-panel">
+            <div class="int-app-config-button" ng-click="sendIntConfigString()">
+                Apply Configuration
+            </div>
         </div>
     </div>
 
-    <div class="button-panel">
-        <div class = "int-app-button" ng-click="sendIntIntentString()">
-            Deploy
+    <hr>
+
+    <div class="tabular-header">
+        <h2>
+            INT Watchlist Rules
+        </h2>
+
+        <div>
+            <div class="input-panel">
+                <h3>
+                    Create New Watchlist Rule
+                </h3>
+                <div>
+                    <label>
+                        <input placeholder="Source IP address" type="text"
+                               required
+                               pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}(/[0-9]{1,2})?$"
+                               ng-model="ip4SrcPrefix">
+                    </label>
+                    <label>
+                        <input placeholder="Dest IP address" type="text"
+                               required
+                               pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}(/[0-9]{1,2})?$"
+                               ng-model="ip4DstPrefix">
+                    </label>
+                    <label>
+                        <input placeholder="Source port" type="text" required
+                               pattern="^[0-9]{0,5}$"
+                               ng-model="l4SrcPort">
+                    </label>
+                    <label>
+                        <input placeholder="Dest port" type="text" required
+                               pattern="^[0-9]{0,5}$"
+                               ng-model="l4DstPort">
+                    </label>
+                    <label>
+                        Protocol
+                        <select name="protocol" ng-model="protocol">
+                            <option selected disabled hidden
+                                    style="display: none" value=''></option>
+                            <option value="TCP">TCP</option>
+                            <option value="UDP">UDP</option>
+                        </select>
+                    </label>
+                </div>
+                <div>
+                    <label>
+                        <input type="checkbox" ng-model="metaSwId">
+                        Switch ID
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaPortId">
+                        Port IDs
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaHopLatency">
+                        Hop Latency
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaQOccupancy">
+                        Queue Occupancy
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaIngressTstamp">
+                        Ingress Timestamp
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaEgressTstamp">
+                        Egress Timestamp
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaQCongestion">
+                        Queue Congestion Status
+                    </label>
+                    <label>
+                        <input type="checkbox" ng-model="metaEgressTx">
+                        Egress Port Tx Utilization
+                    </label>
+                </div>
+            </div>
+        </div>
+
+        <div class="button-panel">
+            <div class="int-app-button" ng-click="sendIntIntentString()">
+                Apply Watchlist Rule
+            </div>
         </div>
     </div>
     <!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
     <div class='int-app-main-intents'>
         <div class="tabular-header">
-            <h2>Installed INT Intents ({{tableData.length}} total)</h2>
+            <h2>Installed Watchlist Rules ({{tableData.length}} total)</h2>
             <div class="ctrl-btns">
                 <div class="refresh" ng-class="{active: autoRefresh}"
                      icon icon-id="refresh" icon-size="36"
@@ -77,13 +143,13 @@
             <div class="table-header" onos-sortable-header>
                 <table>
                     <tr>
-                        <td colId="id" sortable>ID </td>
-                        <td colId="srcAddr" sortable>Src Address </td>
-                        <td colId="dstAddr" sortable>Dst Address </td>
-                        <td colId="srcPort" sortable>Src Port </td>
-                        <td colId="dstPort" sortable>Dst Port </td>
-                        <td colId="protocol" sortable>Protocol </td>
-                        <td colId="metadata" sortable>Metadata </td>
+                        <td colId="id" sortable>ID</td>
+                        <td colId="srcAddr" sortable>Src Address</td>
+                        <td colId="dstAddr" sortable>Dst Address</td>
+                        <td colId="srcPort" sortable>Src Port</td>
+                        <td colId="dstPort" sortable>Dst Port</td>
+                        <td colId="protocol" sortable>Protocol</td>
+                        <td colId="metadata" sortable>Metadata</td>
                     </tr>
                 </table>
             </div>
diff --git a/apps/inbandtelemetry/impl/BUILD b/apps/inbandtelemetry/impl/BUILD
new file mode 100644
index 0000000..b3a1d46
--- /dev/null
+++ b/apps/inbandtelemetry/impl/BUILD
@@ -0,0 +1,12 @@
+COMPILE_DEPS = CORE_DEPS + KRYO + [
+    "//core/store/serializers:onos-core-serializers",
+    "//pipelines/basic:onos-pipelines-basic",
+    "//apps/inbandtelemetry/api:onos-apps-inbandtelemetry-api",
+]
+
+TEST_DEPS = TEST_ADAPTERS
+
+osgi_jar_with_tests(
+    test_deps = TEST_DEPS,
+    deps = COMPILE_DEPS,
+)
diff --git a/apps/inbandtelemetry/impl/src/main/java/org/onosproject/inbandtelemetry/impl/IntManager.java b/apps/inbandtelemetry/impl/src/main/java/org/onosproject/inbandtelemetry/impl/IntManager.java
deleted file mode 100644
index 5cf32da..0000000
--- a/apps/inbandtelemetry/impl/src/main/java/org/onosproject/inbandtelemetry/impl/IntManager.java
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * Copyright 2015-present Open Networking Foundation
- *
- * 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.inbandtelemetry.impl;
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onlab.util.KryoNamespace;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
-import org.onosproject.inbandtelemetry.api.IntConfig;
-import org.onosproject.inbandtelemetry.api.IntIntent;
-import org.onosproject.inbandtelemetry.api.IntIntentId;
-import org.onosproject.inbandtelemetry.api.IntObjective;
-import org.onosproject.inbandtelemetry.api.IntProgrammable;
-import org.onosproject.inbandtelemetry.api.IntService;
-import org.onosproject.net.Device;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.flow.FlowRuleService;
-import org.onosproject.net.host.HostEvent;
-import org.onosproject.net.host.HostListener;
-import org.onosproject.net.host.HostService;
-import org.onosproject.store.serializers.KryoNamespaces;
-import org.onosproject.store.service.AtomicIdGenerator;
-import org.onosproject.store.service.ConsistentMap;
-import org.onosproject.store.service.Serializer;
-import org.onosproject.store.service.StorageService;
-import org.slf4j.Logger;
-
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Implementation of IntService, for controlling INT-capable pipelines.
- */
-@Component(immediate = true)
-@Service
-public class IntManager implements IntService {
-    private final String appName = "org.onosproject.inbandtelemetry";
-    private ApplicationId appId;
-    private final Logger log = getLogger(getClass());
-    private ConsistentMap<IntIntentId, IntIntent> intentConsistentMap;
-    private ConsistentMap<DeviceId, IntDeviceRole> deviceRoleConsistentMap;
-    private IntConfig cfg;
-    private AtomicIdGenerator intentIds;
-
-    private InternalHostListener hostListener = new InternalHostListener();
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    private CoreService coreService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    private DeviceService deviceService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    private StorageService storageService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    private HostService hostService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    private FlowRuleService flowRuleService;
-
-    @Activate
-    public void activate() {
-        appId = coreService.registerApplication(appName);
-
-        KryoNamespace.Builder serializer = KryoNamespace.newBuilder()
-                .register(KryoNamespaces.API)
-                .register(IntIntent.class)
-                .register(IntIntentId.class)
-                .register(IntDeviceRole.class)
-                .register(IntIntent.IntHeaderType.class)
-                .register(IntIntent.IntMetadataType.class)
-                .register(IntIntent.IntReportType.class)
-                .register(IntIntent.TelemetryMode.class);
-
-        intentConsistentMap = storageService.<IntIntentId, IntIntent>consistentMapBuilder()
-                .withSerializer(Serializer.using(serializer.build()))
-                .withName("int-intents")
-                .withApplicationId(appId)
-                .withPurgeOnUninstall()
-                .build();
-
-        deviceRoleConsistentMap = storageService.<DeviceId, IntDeviceRole>consistentMapBuilder()
-                .withSerializer(Serializer.using(serializer.build()))
-                .withName("int-device-roles")
-                .withApplicationId(appId)
-                .withPurgeOnUninstall()
-                .build();
-
-        // Assign IntDeviceRole to each device
-        deviceService.getAvailableDevices().forEach(device ->
-                deviceRoleConsistentMap.put(device.id(),
-                                            hostService.getConnectedHosts(device.id()).isEmpty() ?
-                                                    IntDeviceRole.TRANSIT :
-                                                    IntDeviceRole.SOURCE_SINK)
-        );
-        hostService.addListener(hostListener);
-        intentIds = storageService.getAtomicIdGenerator("int-intent-id-generator");
-        startInt();
-        log.info("Started", appId.id());
-    }
-
-    @Deactivate
-    public void deactivate() {
-        hostService.removeListener(hostListener);
-        log.info("Deactivated");
-    }
-
-    @Override
-    public void startInt() {
-        deviceService.getAvailableDevices().forEach(device -> {
-            if (device.is(IntProgrammable.class)) {
-                IntProgrammable intDevice = device.as(IntProgrammable.class);
-                intDevice.init();
-            }
-        });
-    }
-
-    @Override
-    public void startInt(Set<DeviceId> deviceIds) {
-        deviceIds.forEach(deviceId -> {
-            Device device = deviceService.getDevice(deviceId);
-            if (device.is(IntProgrammable.class) &&
-                    getIntRole(deviceId) == IntDeviceRole.TRANSIT) {
-                IntProgrammable intDevice = device.as(IntProgrammable.class);
-                intDevice.init();
-            }
-        });
-    }
-
-    @Override
-    public void stopInt() {
-        flowRuleService.removeFlowRulesById(appId);
-    }
-
-    @Override
-    public void stopInt(Set<DeviceId> deviceIds) {
-
-    }
-
-    @Override
-    public void setConfig(IntConfig cfg) {
-        this.cfg = cfg;
-        deviceService.getAvailableDevices().forEach(device -> {
-            if (device.is(IntProgrammable.class)) {
-                IntProgrammable intDevice = device.as(IntProgrammable.class);
-                intDevice.setupIntConfig(cfg);
-            }
-        });
-    }
-
-    @Override
-    public IntConfig getConfig() {
-        return cfg;
-    }
-
-    @Override
-    public IntIntentId installIntIntent(IntIntent intent) {
-        Integer intentId = (int) intentIds.nextId();
-        IntIntentId intIntentId = IntIntentId.valueOf(intentId);
-        intentConsistentMap.put(intIntentId, intent);
-
-        // Convert IntIntent into an IntObjective
-        IntObjective obj = new IntObjective.Builder()
-                .withSelector(intent.selector())
-                .withMetadataTypes(intent.metadataTypes())
-                .withHeaderType(intent.headerType())
-                .build();
-
-        // Install IntObjective on each INT source device
-        deviceService.getAvailableDevices().forEach(device -> {
-            if (device.is(IntProgrammable.class)
-                    && deviceRoleConsistentMap.get(device.id()).value() == IntDeviceRole.SOURCE_SINK) {
-                IntProgrammable intDevice = device.as(IntProgrammable.class);
-                intDevice.addIntObjective(obj);
-            }
-        });
-        return intIntentId;
-    }
-
-    @Override
-    public void removeIntIntent(IntIntentId intentId) {
-        IntIntent intent = intentConsistentMap.remove(intentId).value();
-
-        // Convert IntIntent into an IntObjective
-        IntObjective obj = new IntObjective.Builder()
-                .withSelector(intent.selector())
-                .withMetadataTypes(intent.metadataTypes())
-                .withHeaderType(intent.headerType())
-                .build();
-
-        // Remove IntObjective on each INT source device
-        deviceService.getAvailableDevices().forEach(device -> {
-            if (device.is(IntProgrammable.class)
-                    && deviceRoleConsistentMap.get(device.id()).value() == IntDeviceRole.SOURCE_SINK) {
-                IntProgrammable intDevice = device.as(IntProgrammable.class);
-                intDevice.removeIntObjective(obj);
-            }
-        });
-    }
-
-    @Override
-    public IntIntent getIntIntent(IntIntentId intentId) {
-        return Optional.ofNullable(intentConsistentMap.get(intentId).value()).orElse(null);
-    }
-
-    @Override
-    public Map<IntIntentId, IntIntent> getIntIntents() {
-        return intentConsistentMap.asJavaMap();
-    }
-
-    private IntDeviceRole getIntRole(DeviceId deviceId) {
-        return deviceRoleConsistentMap.get(deviceId).value();
-    }
-
-    private void setIntRole(DeviceId deviceId, IntDeviceRole role) {
-        deviceRoleConsistentMap.put(deviceId, role);
-    }
-
-    private class InternalHostListener implements HostListener {
-        @Override
-        public void event(HostEvent event) {
-            DeviceId deviceId = event.subject().location().deviceId();
-            if (!deviceService.getDevice(deviceId).is(IntProgrammable.class)) {
-                return;
-            }
-            switch (event.type()) {
-                case HOST_ADDED:
-                    // When a host is attached to the switch, we can configure it
-                    // to work as SOURCE_SINK switch.
-                    if (deviceRoleConsistentMap.getOrDefault(deviceId, IntDeviceRole.TRANSIT).value()
-                            != IntDeviceRole.SOURCE_SINK) {
-                        setIntRole(deviceId, IntDeviceRole.SOURCE_SINK);
-                    }
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-
-}
diff --git a/apps/inbandtelemetry/impl/src/main/java/org/onosproject/inbandtelemetry/impl/SimpleIntManager.java b/apps/inbandtelemetry/impl/src/main/java/org/onosproject/inbandtelemetry/impl/SimpleIntManager.java
new file mode 100644
index 0000000..56ee52b
--- /dev/null
+++ b/apps/inbandtelemetry/impl/src/main/java/org/onosproject/inbandtelemetry/impl/SimpleIntManager.java
@@ -0,0 +1,527 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * 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.inbandtelemetry.impl;
+
+import com.google.common.collect.Maps;
+import com.google.common.util.concurrent.Striped;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.util.KryoNamespace;
+import org.onlab.util.SharedScheduledExecutors;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.inbandtelemetry.api.IntConfig;
+import org.onosproject.inbandtelemetry.api.IntIntent;
+import org.onosproject.inbandtelemetry.api.IntIntentId;
+import org.onosproject.inbandtelemetry.api.IntObjective;
+import org.onosproject.inbandtelemetry.api.IntProgrammable;
+import org.onosproject.inbandtelemetry.api.IntService;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MastershipRole;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.host.HostEvent;
+import org.onosproject.net.host.HostListener;
+import org.onosproject.net.host.HostService;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.AtomicIdGenerator;
+import org.onosproject.store.service.AtomicValue;
+import org.onosproject.store.service.AtomicValueEvent;
+import org.onosproject.store.service.AtomicValueEventListener;
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.MapEvent;
+import org.onosproject.store.service.MapEventListener;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+import org.onosproject.store.service.Versioned;
+import org.slf4j.Logger;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.concurrent.locks.Lock;
+import java.util.stream.Collectors;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Simple implementation of IntService, for controlling INT-capable pipelines.
+ * <p>
+ * All INT intents are converted to an equivalent INT objective and applied to
+ * all SOURCE_SINK devices. A device is deemed SOURCE_SINK if it has at least
+ * one host attached.
+ * <p>
+ * The implementation listens for different types of events and when required it
+ * configures a device by cleaning-up any previous state and applying the new
+ * one.
+ */
+@Component(immediate = true)
+@Service
+public class SimpleIntManager implements IntService {
+
+    private final Logger log = getLogger(getClass());
+
+    private static final int CONFIG_EVENT_DELAY = 5; // Seconds.
+
+    private static final String APP_NAME = "org.onosproject.inbandtelemetry";
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private CoreService coreService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private DeviceService deviceService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private StorageService storageService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private MastershipService mastershipService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private HostService hostService;
+
+    private final Striped<Lock> deviceLocks = Striped.lock(10);
+
+    private final ConcurrentMap<DeviceId, ScheduledFuture<?>> scheduledDeviceTasks = Maps.newConcurrentMap();
+
+    // Distributed state.
+    private ConsistentMap<IntIntentId, IntIntent> intentMap;
+    private ConsistentMap<DeviceId, Long> devicesToConfigure;
+    private AtomicValue<IntConfig> intConfig;
+    private AtomicValue<Boolean> intStarted;
+    private AtomicIdGenerator intentIds;
+
+    // Event listeners.
+    private final InternalHostListener hostListener = new InternalHostListener();
+    private final InternalDeviceListener deviceListener = new InternalDeviceListener();
+    private final InternalIntentMapListener intentMapListener = new InternalIntentMapListener();
+    private final InternalIntConfigListener intConfigListener = new InternalIntConfigListener();
+    private final InternalIntStartedListener intStartedListener = new InternalIntStartedListener();
+    private final InternalDeviceToConfigureListener devicesToConfigureListener =
+            new InternalDeviceToConfigureListener();
+
+    @Activate
+    public void activate() {
+
+        final ApplicationId appId = coreService.registerApplication(APP_NAME);
+
+        KryoNamespace.Builder serializer = KryoNamespace.newBuilder()
+                .register(KryoNamespaces.API)
+                .register(IntIntent.class)
+                .register(IntIntentId.class)
+                .register(IntDeviceRole.class)
+                .register(IntIntent.IntHeaderType.class)
+                .register(IntIntent.IntMetadataType.class)
+                .register(IntIntent.IntReportType.class)
+                .register(IntIntent.TelemetryMode.class)
+                .register(IntConfig.class)
+                .register(IntConfig.TelemetrySpec.class);
+
+        devicesToConfigure = storageService.<DeviceId, Long>consistentMapBuilder()
+                .withSerializer(Serializer.using(serializer.build()))
+                .withName("onos-int-devices-to-configure")
+                .withApplicationId(appId)
+                .withPurgeOnUninstall()
+                .build();
+        devicesToConfigure.addListener(devicesToConfigureListener);
+
+        intentMap = storageService.<IntIntentId, IntIntent>consistentMapBuilder()
+                .withSerializer(Serializer.using(serializer.build()))
+                .withName("onos-int-intents")
+                .withApplicationId(appId)
+                .withPurgeOnUninstall()
+                .build();
+        intentMap.addListener(intentMapListener);
+
+        intStarted = storageService.<Boolean>atomicValueBuilder()
+                .withSerializer(Serializer.using(serializer.build()))
+                .withName("onos-int-started")
+                .withApplicationId(appId)
+                .build()
+                .asAtomicValue();
+        intStarted.addListener(intStartedListener);
+
+        intConfig = storageService.<IntConfig>atomicValueBuilder()
+                .withSerializer(Serializer.using(serializer.build()))
+                .withName("onos-int-config")
+                .withApplicationId(appId)
+                .build()
+                .asAtomicValue();
+        intConfig.addListener(intConfigListener);
+
+        intentIds = storageService.getAtomicIdGenerator("int-intent-id-generator");
+
+        // Bootstrap config for already existing devices.
+        triggerAllDeviceConfigure();
+
+        hostService.addListener(hostListener);
+        deviceService.addListener(deviceListener);
+
+        startInt();
+        log.info("Started", appId.id());
+    }
+
+    @Deactivate
+    public void deactivate() {
+        deviceService.removeListener(deviceListener);
+        hostService.removeListener(hostListener);
+        intentIds = null;
+        intConfig.removeListener(intConfigListener);
+        intConfig = null;
+        intStarted.removeListener(intStartedListener);
+        intStarted = null;
+        intentMap.removeListener(intentMapListener);
+        intentMap = null;
+        devicesToConfigure.removeListener(devicesToConfigureListener);
+        devicesToConfigure.destroy();
+        devicesToConfigure = null;
+        // Cancel tasks (if any).
+        scheduledDeviceTasks.values().forEach(f -> {
+            f.cancel(true);
+            if (!f.isDone()) {
+                try {
+                    f.get(1, TimeUnit.SECONDS);
+                } catch (InterruptedException | ExecutionException | TimeoutException e) {
+                    // Don't care, we are terminating the service anyways.
+                }
+            }
+        });
+        // Clean up INT rules from existing devices.
+        deviceService.getDevices().forEach(d -> cleanupDevice(d.id()));
+        log.info("Deactivated");
+    }
+
+    @Override
+    public void startInt() {
+        // Atomic value event will trigger device configure.
+        intStarted.set(true);
+    }
+
+    @Override
+    public void startInt(Set<DeviceId> deviceIds) {
+        log.warn("Starting INT for a subset of devices is not supported");
+    }
+
+    @Override
+    public void stopInt() {
+        // Atomic value event will trigger device configure.
+        intStarted.set(false);
+    }
+
+    @Override
+    public void stopInt(Set<DeviceId> deviceIds) {
+        log.warn("Stopping INT for a subset of devices is not supported");
+    }
+
+    @Override
+    public void setConfig(IntConfig cfg) {
+        checkNotNull(cfg);
+        // Atomic value event will trigger device configure.
+        intConfig.set(cfg);
+    }
+
+    @Override
+    public IntConfig getConfig() {
+        return intConfig.get();
+    }
+
+    @Override
+    public IntIntentId installIntIntent(IntIntent intent) {
+        checkNotNull(intent);
+        final Integer intentId = (int) intentIds.nextId();
+        final IntIntentId intIntentId = IntIntentId.valueOf(intentId);
+        // Intent map event will trigger device configure.
+        intentMap.put(intIntentId, intent);
+        return intIntentId;
+    }
+
+    @Override
+    public void removeIntIntent(IntIntentId intentId) {
+        checkNotNull(intentId);
+        // Intent map event will trigger device configure.
+        intentMap.remove(intentId).value();
+    }
+
+    @Override
+    public IntIntent getIntIntent(IntIntentId intentId) {
+        return Optional.ofNullable(intentMap.get(intentId).value()).orElse(null);
+    }
+
+    @Override
+    public Map<IntIntentId, IntIntent> getIntIntents() {
+        return intentMap.asJavaMap();
+    }
+
+    private boolean isConfigTaskValid(DeviceId deviceId, long creationTime) {
+        Versioned<?> versioned = devicesToConfigure.get(deviceId);
+        return versioned != null && versioned.creationTime() == creationTime;
+    }
+
+    private boolean isIntStarted() {
+        return intStarted.get();
+    }
+
+    private boolean isNotIntConfigured() {
+        return intConfig.get() == null;
+    }
+
+    private boolean isIntProgrammable(DeviceId deviceId) {
+        final Device device = deviceService.getDevice(deviceId);
+        return device != null && device.is(IntProgrammable.class);
+    }
+
+    private void triggerDeviceConfigure(DeviceId deviceId) {
+        if (isIntProgrammable(deviceId)) {
+            devicesToConfigure.put(deviceId, System.nanoTime());
+        }
+    }
+
+    private void triggerAllDeviceConfigure() {
+        deviceService.getDevices().forEach(d -> triggerDeviceConfigure(d.id()));
+    }
+
+    private void configDeviceTask(DeviceId deviceId, long creationTime) {
+        if (isConfigTaskValid(deviceId, creationTime)) {
+            // Task outdated.
+            return;
+        }
+        if (!deviceService.isAvailable(deviceId)) {
+            return;
+        }
+        final MastershipRole role = mastershipService.requestRoleForSync(deviceId);
+        if (!role.equals(MastershipRole.MASTER)) {
+            return;
+        }
+        deviceLocks.get(deviceId).lock();
+        try {
+            // Clean up first.
+            cleanupDevice(deviceId);
+            if (!configDevice(deviceId)) {
+                // Clean up if fails.
+                cleanupDevice(deviceId);
+                return;
+            }
+            devicesToConfigure.remove(deviceId);
+        } finally {
+            deviceLocks.get(deviceId).unlock();
+        }
+    }
+
+    private void cleanupDevice(DeviceId deviceId) {
+        final Device device = deviceService.getDevice(deviceId);
+        if (device == null || !device.is(IntProgrammable.class)) {
+            return;
+        }
+        device.as(IntProgrammable.class).cleanup();
+    }
+
+    private boolean configDevice(DeviceId deviceId) {
+        // Returns true if config was successful, false if not and a clean up is
+        // needed.
+        final Device device = deviceService.getDevice(deviceId);
+        if (device == null || !device.is(IntProgrammable.class)) {
+            return true;
+        }
+
+        if (isNotIntConfigured()) {
+            log.warn("Missing INT config, aborting programming of INT device {}", deviceId);
+            return true;
+        }
+
+        final boolean isEdge = !hostService.getConnectedHosts(deviceId).isEmpty();
+        final IntDeviceRole intDeviceRole = isEdge
+                ? IntDeviceRole.SOURCE_SINK
+                : IntDeviceRole.TRANSIT;
+
+        log.info("Started programming of INT device {} with role {}...",
+                 deviceId, intDeviceRole);
+
+        final IntProgrammable intProg = device.as(IntProgrammable.class);
+
+        if (!isIntStarted()) {
+            // Leave device with no INT configuration.
+            return true;
+        }
+
+        if (!intProg.init()) {
+            log.warn("Unable to init INT pipeline on {}", deviceId);
+            return false;
+        }
+
+        if (intDeviceRole != IntDeviceRole.SOURCE_SINK) {
+            // Stop here, no more configuration needed for transit devices.
+            return true;
+        }
+
+        if (intProg.supportsFunctionality(IntProgrammable.IntFunctionality.SINK)) {
+            if (!intProg.setupIntConfig(intConfig.get())) {
+                log.warn("Unable to apply INT report config on {}", deviceId);
+                return false;
+            }
+        }
+
+        // Port configuration.
+        final Set<PortNumber> hostPorts = deviceService.getPorts(deviceId)
+                .stream()
+                .map(port -> new ConnectPoint(deviceId, port.number()))
+                .filter(cp -> !hostService.getConnectedHosts(cp).isEmpty())
+                .map(ConnectPoint::port)
+                .collect(Collectors.toSet());
+
+        for (PortNumber port : hostPorts) {
+            if (intProg.supportsFunctionality(IntProgrammable.IntFunctionality.SOURCE)) {
+                log.info("Setting port {}/{} as INT source port...", deviceId, port);
+                if (!intProg.setSourcePort(port)) {
+                    log.warn("Unable to set INT source port {} on {}", port, deviceId);
+                    return false;
+                }
+            }
+            if (intProg.supportsFunctionality(IntProgrammable.IntFunctionality.SINK)) {
+                log.info("Setting port {}/{} as INT sink port...", deviceId, port);
+                if (!intProg.setSinkPort(port)) {
+                    log.warn("Unable to set INT sink port {} on {}", port, deviceId);
+                    return false;
+                }
+            }
+        }
+
+        if (!intProg.supportsFunctionality(IntProgrammable.IntFunctionality.SOURCE)) {
+            // Stop here, no more configuration needed for sink devices.
+            return true;
+        }
+
+        // Apply intents.
+        // This is a trivial implementation where we simply get the
+        // corresponding INT objective from an intent and we apply to all source
+        // device.
+        final Collection<IntObjective> objectives = intentMap.values().stream()
+                .map(v -> getIntObjective(v.value()))
+                .collect(Collectors.toList());
+        int appliedCount = 0;
+        for (IntObjective objective : objectives) {
+            if (intProg.addIntObjective(objective)) {
+                appliedCount = appliedCount + 1;
+            }
+        }
+
+        log.info("Completed programming of {}, applied {} INT objectives of {} total",
+                 deviceId, appliedCount, objectives.size());
+
+        return true;
+    }
+
+    private IntObjective getIntObjective(IntIntent intent) {
+        return new IntObjective.Builder()
+                .withSelector(intent.selector())
+                .withMetadataTypes(intent.metadataTypes())
+                .withHeaderType(intent.headerType())
+                .build();
+    }
+
+    /* Event listeners which trigger device configuration. */
+
+    private class InternalHostListener implements HostListener {
+        @Override
+        public void event(HostEvent event) {
+            final DeviceId deviceId = event.subject().location().deviceId();
+            triggerDeviceConfigure(deviceId);
+        }
+    }
+
+    private class InternalDeviceListener implements DeviceListener {
+        @Override
+        public void event(DeviceEvent event) {
+            switch (event.type()) {
+                case DEVICE_ADDED:
+                case DEVICE_UPDATED:
+                case DEVICE_REMOVED:
+                case DEVICE_SUSPENDED:
+                case DEVICE_AVAILABILITY_CHANGED:
+                case PORT_ADDED:
+                case PORT_UPDATED:
+                case PORT_REMOVED:
+                    triggerDeviceConfigure(event.subject().id());
+                    return;
+                case PORT_STATS_UPDATED:
+                    return;
+                default:
+                    log.warn("Unknown device event type {}", event.type());
+            }
+        }
+    }
+
+    private class InternalIntentMapListener
+            implements MapEventListener<IntIntentId, IntIntent> {
+        @Override
+        public void event(MapEvent<IntIntentId, IntIntent> event) {
+            triggerAllDeviceConfigure();
+        }
+    }
+
+    private class InternalIntConfigListener
+            implements AtomicValueEventListener<IntConfig> {
+        @Override
+        public void event(AtomicValueEvent<IntConfig> event) {
+            triggerAllDeviceConfigure();
+        }
+    }
+
+    private class InternalIntStartedListener
+            implements AtomicValueEventListener<Boolean> {
+        @Override
+        public void event(AtomicValueEvent<Boolean> event) {
+            triggerAllDeviceConfigure();
+        }
+    }
+
+    private class InternalDeviceToConfigureListener
+            implements MapEventListener<DeviceId, Long> {
+        @Override
+        public void event(MapEvent<DeviceId, Long> event) {
+            if (event.type().equals(MapEvent.Type.REMOVE) ||
+                    event.newValue() == null) {
+                return;
+            }
+            // Schedule task in the future. Wait for events for this device to
+            // stabilize.
+            final DeviceId deviceId = event.key();
+            final long creationTime = event.newValue().creationTime();
+            ScheduledFuture<?> newTask = SharedScheduledExecutors.newTimeout(
+                    () -> configDeviceTask(deviceId, creationTime),
+                    CONFIG_EVENT_DELAY, TimeUnit.SECONDS);
+            ScheduledFuture<?> oldTask = scheduledDeviceTasks.put(deviceId, newTask);
+            if (oldTask != null) {
+                oldTask.cancel(false);
+            }
+        }
+    }
+}