diff --git a/apps/virtual/app/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManager.java b/apps/virtual/app/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManager.java
new file mode 100644
index 0000000..21ba3b9
--- /dev/null
+++ b/apps/virtual/app/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManager.java
@@ -0,0 +1,230 @@
+/*
+ * Copyright 2018-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.incubator.net.virtual.impl;
+
+import com.google.common.collect.ImmutableList;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualDevice;
+import org.onosproject.incubator.net.virtual.VirtualNetworkEvent;
+import org.onosproject.incubator.net.virtual.VirtualNetworkListener;
+import org.onosproject.incubator.net.virtual.VirtualNetworkService;
+import org.onosproject.incubator.net.virtual.VirtualPort;
+import org.onosproject.incubator.net.virtual.event.AbstractVirtualListenerManager;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MastershipRole;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceEvent.Type;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.device.PortStatistics;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Device service implementation built on the virtual network service.
+ */
+public class VirtualNetworkDeviceManager
+        extends AbstractVirtualListenerManager<DeviceEvent, DeviceListener>
+        implements DeviceService {
+
+    private static final String TYPE_NULL = "Type cannot be null";
+    private static final String DEVICE_NULL = "Device cannot be null";
+    private static final String PORT_NUMBER_NULL = "PortNumber cannot be null";
+    private VirtualNetworkListener virtualNetworkListener = new InternalVirtualNetworkListener();
+
+    /**
+     * Creates a new VirtualNetworkDeviceService object.
+     *
+     * @param virtualNetworkManager virtual network manager service
+     * @param networkId a virtual network identifier
+     */
+    public VirtualNetworkDeviceManager(VirtualNetworkService virtualNetworkManager,
+                                       NetworkId networkId) {
+        super(virtualNetworkManager, networkId, DeviceEvent.class);
+        manager.addListener(virtualNetworkListener);
+    }
+
+    @Override
+    public int getDeviceCount() {
+        return manager.getVirtualDevices(this.networkId).size();
+    }
+
+    @Override
+    public Iterable<Device> getDevices() {
+        return manager.getVirtualDevices(
+                this.networkId).stream().collect(Collectors.toSet());
+    }
+
+    @Override
+    public Iterable<Device> getDevices(Device.Type type) {
+        checkNotNull(type, TYPE_NULL);
+        return manager.getVirtualDevices(this.networkId)
+                .stream()
+                .filter(device -> type.equals(device.type()))
+                .collect(Collectors.toSet());
+    }
+
+    @Override
+    public Iterable<Device> getAvailableDevices() {
+        return getDevices();
+    }
+
+    @Override
+    public Iterable<Device> getAvailableDevices(Device.Type type) {
+        return getDevices(type);
+    }
+
+    @Override
+    public Device getDevice(DeviceId deviceId) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        Optional<VirtualDevice> foundDevice =
+                manager.getVirtualDevices(this.networkId)
+                .stream()
+                .filter(device -> deviceId.equals(device.id()))
+                .findFirst();
+        if (foundDevice.isPresent()) {
+            return foundDevice.get();
+        }
+        return null;
+    }
+
+    @Override
+    public MastershipRole getRole(DeviceId deviceId) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        // TODO hard coded to master for now.
+        return MastershipRole.MASTER;
+    }
+
+    @Override
+    public List<Port> getPorts(DeviceId deviceId) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        return manager.getVirtualPorts(this.networkId, deviceId)
+                .stream()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public List<PortStatistics> getPortStatistics(DeviceId deviceId) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        // TODO not supported at the moment.
+        return ImmutableList.of();
+    }
+
+    @Override
+    public List<PortStatistics> getPortDeltaStatistics(DeviceId deviceId) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        // TODO not supported at the moment.
+        return ImmutableList.of();
+    }
+
+    @Override
+    public PortStatistics getStatisticsForPort(DeviceId deviceId,
+                                               PortNumber portNumber) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        checkNotNull(deviceId, PORT_NUMBER_NULL);
+        // TODO not supported at the moment.
+        return null;
+    }
+
+    @Override
+    public PortStatistics getDeltaStatisticsForPort(DeviceId deviceId,
+                                                    PortNumber portNumber) {
+        checkNotNull(deviceId, DEVICE_NULL);
+        checkNotNull(deviceId, PORT_NUMBER_NULL);
+        // TODO not supported at the moment.
+        return null;
+    }
+
+    @Override
+    public Port getPort(DeviceId deviceId, PortNumber portNumber) {
+        checkNotNull(deviceId, DEVICE_NULL);
+
+        Optional<VirtualPort> foundPort =
+                manager.getVirtualPorts(this.networkId, deviceId)
+                .stream()
+                .filter(port -> port.number().equals(portNumber))
+                .findFirst();
+        if (foundPort.isPresent()) {
+            return foundPort.get();
+        }
+        return null;
+    }
+
+    @Override
+    public boolean isAvailable(DeviceId deviceId) {
+        return getDevice(deviceId) != null;
+    }
+
+    @Override
+    public String localStatus(DeviceId deviceId) {
+        // TODO not supported at this time
+        return null;
+    }
+
+    @Override
+    public long getLastUpdatedInstant(DeviceId deviceId) {
+        // TODO not supported at this time
+        return 0;
+    }
+
+    /**
+     * Translates VirtualNetworkEvent to DeviceEvent.
+     */
+    private class InternalVirtualNetworkListener implements VirtualNetworkListener {
+        @Override
+        public boolean isRelevant(VirtualNetworkEvent event) {
+            return networkId().equals(event.subject());
+        }
+
+        @Override
+        public void event(VirtualNetworkEvent event) {
+            switch (event.type()) {
+                case VIRTUAL_DEVICE_ADDED:
+                    post(new DeviceEvent(Type.DEVICE_ADDED, event.virtualDevice()));
+                    break;
+                case VIRTUAL_DEVICE_UPDATED:
+                    post(new DeviceEvent(Type.DEVICE_UPDATED, event.virtualDevice()));
+                    break;
+                case VIRTUAL_DEVICE_REMOVED:
+                    post(new DeviceEvent(Type.DEVICE_REMOVED, event.virtualDevice()));
+                    break;
+                case VIRTUAL_PORT_ADDED:
+                    post(new DeviceEvent(Type.PORT_ADDED, event.virtualDevice(), event.virtualPort()));
+                    break;
+                case VIRTUAL_PORT_UPDATED:
+                    post(new DeviceEvent(Type.PORT_UPDATED, event.virtualDevice(), event.virtualPort()));
+                    break;
+                case VIRTUAL_PORT_REMOVED:
+                    post(new DeviceEvent(Type.PORT_REMOVED, event.virtualDevice(), event.virtualPort()));
+                    break;
+                case NETWORK_UPDATED:
+                case NETWORK_REMOVED:
+                case NETWORK_ADDED:
+                default:
+                    // do nothing
+                    break;
+            }
+        }
+    }
+}