diff --git a/apps/config/src/main/java/org/onosproject/d/config/DynamicDeviceConfigServiceView.java b/apps/config/src/main/java/org/onosproject/d/config/DynamicDeviceConfigServiceView.java
new file mode 100644
index 0000000..1ec6929
--- /dev/null
+++ b/apps/config/src/main/java/org/onosproject/d/config/DynamicDeviceConfigServiceView.java
@@ -0,0 +1,170 @@
+/*
+ * Copyright 2017-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.d.config;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.Collections;
+import java.util.IdentityHashMap;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+
+import org.onosproject.config.DynamicConfigEvent;
+import org.onosproject.config.DynamicConfigListener;
+import org.onosproject.config.DynamicConfigService;
+import org.onosproject.config.Filter;
+import org.onosproject.config.ForwardingDynamicConfigService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.yang.model.DataNode;
+import org.onosproject.yang.model.ResourceId;
+import org.onosproject.yang.model.RpcInput;
+import org.onosproject.yang.model.RpcOutput;
+import org.slf4j.Logger;
+
+import com.google.common.annotations.Beta;
+
+/**
+ * DynamicConfigService interface to provide a viewport
+ * under specified Device's tree.
+ */
+@Beta
+public class DynamicDeviceConfigServiceView
+        extends ForwardingDynamicConfigService
+        implements DynamicConfigService {
+
+    private static final Logger log = getLogger(DynamicDeviceConfigServiceView.class);
+
+    private final DeviceId deviceId;
+
+    private ResourceId deviceRoot;
+
+    /**
+     * original to wrapped listener.
+     */
+    private final Map<DynamicConfigListener, DynamicConfigListener> wrapped =
+            Collections.synchronizedMap(new IdentityHashMap<>());
+
+    protected DynamicDeviceConfigServiceView(DynamicConfigService delegate, DeviceId deviceId) {
+        super(delegate);
+        this.deviceId = checkNotNull(deviceId);
+        this.deviceRoot = DeviceResourceIds.toResourceId(this.deviceId);
+    }
+
+    /**
+     * Create a DynamicDeviceConfigServiceView for specified {@code deviceId}.
+     *
+     * @param service reference to actual DynamicConfigService.
+     * @param deviceId of the Device to provide view port about.
+     * @return DynamicDeviceConfigServiceView
+     */
+    public static DynamicDeviceConfigServiceView deviceView(DynamicConfigService service,
+                                                            DeviceId deviceId) {
+        return new DynamicDeviceConfigServiceView(service, deviceId);
+    }
+
+    @Override
+    public void createNode(ResourceId path, DataNode node) {
+        super.createNode(toAbsoluteId(path), node);
+    }
+
+    @Override
+    public DataNode readNode(ResourceId path, Filter filter) {
+        // FIXME transform filter? is it possible?
+        return super.readNode(toAbsoluteId(path), filter);
+    }
+
+    @Override
+    public Boolean nodeExist(ResourceId path) {
+        return super.nodeExist(toAbsoluteId(path));
+    }
+
+    @Override
+    public void updateNode(ResourceId path, DataNode node) {
+        super.updateNode(toAbsoluteId(path), node);
+    }
+
+    @Override
+    public void replaceNode(ResourceId path, DataNode node) {
+        super.replaceNode(toAbsoluteId(path), node);
+    }
+
+    @Override
+    public void deleteNode(ResourceId path) {
+        super.deleteNode(toAbsoluteId(path));
+    }
+
+    @Override
+    public CompletableFuture<RpcOutput> invokeRpc(ResourceId id,
+                                                  RpcInput input) {
+        return super.invokeRpc(toAbsoluteId(id), input);
+    }
+
+    @Override
+    public void addListener(DynamicConfigListener listener) {
+        super.addListener(wrapped.computeIfAbsent(listener,
+                                                  DynamicDeviceConfigListener::new));
+    }
+
+    @Override
+    public void removeListener(DynamicConfigListener listener) {
+        DynamicConfigListener w = wrapped.remove(listener);
+        if (w != null) {
+            super.removeListener(w);
+        }
+    }
+
+    private ResourceId toAbsoluteId(ResourceId path) {
+        checkArgument(!path.nodeKeys().contains(DeviceResourceIds.ROOT_NODE),
+                      "%s was already absolute path", path);
+
+        return ResourceIds.concat(deviceRoot, path);
+    }
+
+    private ResourceId toDeviceRelativeId(ResourceId path) {
+        checkArgument(path.nodeKeys().contains(DeviceResourceIds.ROOT_NODE),
+                      "%s was not absolute path", path);
+
+        return ResourceIds.relativize(deviceRoot, path);
+    }
+
+    class DynamicDeviceConfigListener implements DynamicConfigListener {
+
+        private final DynamicConfigListener lsnr;
+
+        DynamicDeviceConfigListener(DynamicConfigListener lsnr) {
+            this.lsnr = checkNotNull(lsnr);
+        }
+
+        private DynamicConfigEvent deviceEvent(DynamicConfigEvent event) {
+            return new DynamicConfigEvent(event.type(),
+                                          toDeviceRelativeId(event.subject()));
+        }
+
+        @Override
+        public boolean isRelevant(DynamicConfigEvent event) {
+            // FIXME ignore event irrelevant to current device
+            return lsnr.isRelevant(deviceEvent(event));
+        }
+
+        @Override
+        public void event(DynamicConfigEvent event) {
+            lsnr.event(deviceEvent(event));
+        }
+
+    }
+}
diff --git a/apps/config/src/test/java/org/onosproject/d/config/DynamicDeviceConfigServiceViewTest.java b/apps/config/src/test/java/org/onosproject/d/config/DynamicDeviceConfigServiceViewTest.java
new file mode 100644
index 0000000..797ab1c
--- /dev/null
+++ b/apps/config/src/test/java/org/onosproject/d/config/DynamicDeviceConfigServiceViewTest.java
@@ -0,0 +1,219 @@
+/*
+ * Copyright 2017-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.d.config;
+
+import static org.junit.Assert.*;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.config.DynamicConfigEvent;
+import org.onosproject.config.DynamicConfigEvent.Type;
+import org.onosproject.config.DynamicConfigListener;
+import org.onosproject.config.DynamicConfigServiceAdapter;
+import org.onosproject.config.Filter;
+import org.onosproject.net.DeviceId;
+import org.onosproject.yang.model.DataNode;
+import org.onosproject.yang.model.ResourceId;
+import org.onosproject.yang.model.RpcInput;
+import org.onosproject.yang.model.RpcOutput;
+
+public class DynamicDeviceConfigServiceViewTest {
+
+    static DeviceId DID = DeviceId.deviceId("test:device");
+    /**
+     * Absolute ResourceId to {@code DID}.
+     */
+    static ResourceId RID = DeviceResourceIds.toResourceId(DID);
+
+
+    /**
+     * Device relative ResourceId pointing to intf node.
+     */
+    static ResourceId REL_INTF = ResourceId.builder()
+                .addBranchPointSchema("intf", "test")
+                .build();
+
+    DataNode node = null;
+
+    TestDynamicConfigService service;
+    DynamicDeviceConfigServiceView view;
+
+    ResourceId realPath;
+    ResourceId realId;
+    Filter realFilter;
+
+    DynamicConfigEvent viewRelevantEvent;
+    DynamicConfigEvent viewEvent;
+
+    @Before
+    public void setUp() throws Exception {
+        realPath = null;
+        realId = null;
+        realFilter = null;
+
+        viewRelevantEvent = null;
+        viewEvent = null;
+
+        service = new TestDynamicConfigService();
+        view = DynamicDeviceConfigServiceView.deviceView(service, DID);
+    }
+
+    // FIXME add test scenario where irrelevant event get discarded.
+
+    @Test
+    public void testListener() throws CloneNotSupportedException, InterruptedException {
+        ResourceId realIntf = ResourceId.builder()
+            .append(RID)
+            .addBranchPointSchema("intf", "test")
+            .build();
+
+        final CountDownLatch recieved = new CountDownLatch(1);
+
+        DynamicConfigListener lsnr = new DynamicConfigListener() {
+
+            @Override
+            public boolean isRelevant(DynamicConfigEvent event) {
+                viewRelevantEvent = event;
+                return true;
+            }
+
+            @Override
+            public void event(DynamicConfigEvent event) {
+                viewEvent = event;
+                recieved.countDown();
+            }
+        };
+        view.addListener(lsnr);
+
+        service.post(new DynamicConfigEvent(Type.NODE_ADDED, realIntf));
+
+        assertTrue(recieved.await(5, TimeUnit.SECONDS));
+
+        assertFalse("Expect relative path but was" + viewRelevantEvent.subject(),
+                    ResourceIds.isPrefix(RID, viewRelevantEvent.subject()));
+        assertFalse("Expect relative path but was" + viewEvent.subject(),
+                    ResourceIds.isPrefix(RID, viewEvent.subject()));
+
+        view.removeListener(lsnr);
+    }
+
+    @Test
+    public void testCreateNode() {
+        view.createNode(REL_INTF, node);
+
+        assertTrue(ResourceIds.isPrefix(RID, realPath));
+    }
+
+    @Test
+    public void testReadNode() {
+        Filter filter = null;
+        DataNode returned = view.readNode(REL_INTF, filter);
+
+        assertTrue(ResourceIds.isPrefix(RID, realPath));
+
+        // FIXME test realFilter
+
+        // TODO do we expect something to happen on returned?
+    }
+
+    @Test
+    public void testNodeExist() {
+        view.nodeExist(REL_INTF);
+
+        assertTrue(ResourceIds.isPrefix(RID, realPath));
+    }
+
+    @Test
+    public void testUpdateNode() {
+        view.updateNode(REL_INTF, node);
+
+        assertTrue(ResourceIds.isPrefix(RID, realPath));
+    }
+
+    @Test
+    public void testReplaceNode() {
+        view.replaceNode(REL_INTF, node);
+
+        assertTrue(ResourceIds.isPrefix(RID, realPath));
+    }
+
+    @Test
+    public void testDeleteNode() {
+        view.deleteNode(REL_INTF);
+
+        assertTrue(ResourceIds.isPrefix(RID, realPath));
+    }
+
+    @Test
+    public void testInvokeRpc() {
+        RpcInput input = null;
+        view.invokeRpc(REL_INTF, input);
+
+        assertTrue(ResourceIds.isPrefix(RID, realId));
+    }
+
+    private final class TestDynamicConfigService
+            extends DynamicConfigServiceAdapter {
+        @Override
+        public void createNode(ResourceId path, DataNode node) {
+            realPath = path;
+        }
+
+        @Override
+        public DataNode readNode(ResourceId path, Filter filter) {
+            realPath = path;
+            realFilter = filter;
+            return super.readNode(path, filter);
+        }
+
+        @Override
+        public Boolean nodeExist(ResourceId path) {
+            realPath = path;
+            return super.nodeExist(path);
+        }
+
+        @Override
+        public void updateNode(ResourceId path, DataNode node) {
+            realPath = path;
+        }
+
+        @Override
+        public void replaceNode(ResourceId path, DataNode node) {
+            realPath = path;
+        }
+
+        @Override
+        public void deleteNode(ResourceId path) {
+            realPath = path;
+        }
+
+        @Override
+        public CompletableFuture<RpcOutput> invokeRpc(ResourceId id,
+                                                      RpcInput input) {
+            realId = id;
+            return super.invokeRpc(id, input);
+        }
+
+        public void post(DynamicConfigEvent event) {
+            listenerRegistry.process(event);
+        }
+    }
+
+}