diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkMastershipStore.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkMastershipStore.java
new file mode 100644
index 0000000..136f09e
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkMastershipStore.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2017-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.incubator.net.virtual;
+
+import org.onosproject.cluster.NodeId;
+import org.onosproject.cluster.RoleInfo;
+import org.onosproject.mastership.MastershipEvent;
+import org.onosproject.mastership.MastershipStoreDelegate;
+import org.onosproject.mastership.MastershipTerm;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MastershipRole;
+
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+
+/**
+ * Manages inventory of mastership roles for devices, across controller
+ * instances for virtual networks; not intended for direct use.
+ */
+public interface VirtualNetworkMastershipStore
+        extends VirtualStore<MastershipEvent, MastershipStoreDelegate> {
+
+    // three things to map: NodeId, DeviceId, MastershipRole
+
+    /**
+     * Requests role of the local node for the specified device.
+     *
+     * @param networkId the virtual network identifier
+     * @param deviceId  the device identifier
+     * @return established or newly negotiated mastership role
+     */
+    CompletableFuture<MastershipRole> requestRole(NetworkId networkId, DeviceId deviceId);
+
+    /**
+     * Returns the role of a device for a specific controller instance.
+     *
+     * @param networkId virtual network identifier
+     * @param nodeId    the instance identifier
+     * @param deviceId  the device identifiers
+     * @return the role
+     */
+    MastershipRole getRole(NetworkId networkId, NodeId nodeId, DeviceId deviceId);
+
+    /**
+     * Returns the master for a device.
+     *
+     * @param networkId virtual network identifier
+     * @param deviceId  the device identifier
+     * @return the instance identifier of the master
+     */
+    NodeId getMaster(NetworkId networkId, DeviceId deviceId);
+
+    /**
+     * Returns the master and backup nodes for a device.
+     *
+     * @param networkId virtual network identifier
+     * @param deviceId  the device identifier
+     * @return a RoleInfo containing controller IDs
+     */
+    RoleInfo getNodes(NetworkId networkId, DeviceId deviceId);
+
+    /**
+     * Returns the devices that a controller instance is master of.
+     *
+     * @param networkId virtual network identifier
+     * @param nodeId    the instance identifier
+     * @return a set of device identifiers
+     */
+    Set<DeviceId> getDevices(NetworkId networkId, NodeId nodeId);
+
+
+    /**
+     * Sets a device's role for a specified controller instance.
+     *
+     * @param networkId virtual network identifier
+     * @param nodeId    controller instance identifier
+     * @param deviceId  device identifier
+     * @return a mastership event
+     */
+    CompletableFuture<MastershipEvent> setMaster(NetworkId networkId,
+                                                 NodeId nodeId, DeviceId deviceId);
+
+    /**
+     * Returns the current master and number of past mastership hand-offs
+     * (terms) for a device.
+     *
+     * @param networkId virtual network identifier
+     * @param deviceId  the device identifier
+     * @return the current master's ID and the term value for device, or null
+     */
+    MastershipTerm getTermFor(NetworkId networkId, DeviceId deviceId);
+
+    /**
+     * Sets a controller instance's mastership role to STANDBY for a device.
+     * If the role is MASTER, another controller instance will be selected
+     * as a candidate master.
+     *
+     * @param networkId virtual network identifier
+     * @param nodeId    the controller instance identifier
+     * @param deviceId  device to revoke mastership role for
+     * @return a mastership event
+     */
+    CompletableFuture<MastershipEvent> setStandby(NetworkId networkId,
+                                                  NodeId nodeId, DeviceId deviceId);
+
+    /**
+     * Allows a controller instance to give up its current role for a device.
+     * If the role is MASTER, another controller instance will be selected
+     * as a candidate master.
+     *
+     * @param networkId virtual network identifier
+     * @param nodeId    the controller instance identifier
+     * @param deviceId  device to revoke mastership role for
+     * @return a mastership event
+     */
+    CompletableFuture<MastershipEvent> relinquishRole(NetworkId networkId,
+                                                      NodeId nodeId, DeviceId deviceId);
+
+    /**
+     * Removes all the roles for the specified controller instance.
+     * If the role was MASTER, another controller instance will be selected
+     * as a candidate master.
+     *
+     * @param networkId virtual network identifier
+     * @param nodeId    the controller instance identifier
+     */
+    void relinquishAllRole(NetworkId networkId, NodeId nodeId);
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkService.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkService.java
index 88ef56b..a303df2 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkService.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkService.java
@@ -110,6 +110,7 @@
      * <li>{@link org.onosproject.net.flow.FlowRuleService}</li>
      * <li>{@link org.onosproject.net.flowobjective.FlowObjectiveService}</li>
      * <li>{@link org.onosproject.net.intent.IntentService}</li>
+     * <li>{@link org.onosproject.mastership.MastershipService}</li>
      * </ul>
      *
      * @param networkId    network identifier
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java
index 69f849e..c4493c7 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java
@@ -51,6 +51,7 @@
 import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProvider;
 import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProviderRegistry;
 import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProviderService;
+import org.onosproject.mastership.MastershipService;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.HostId;
@@ -443,6 +444,8 @@
             service = new VirtualNetworkGroupManager(this, network.id());
         } else if (serviceKey.serviceClass.equals(FlowObjectiveService.class)) {
             service = new VirtualNetworkFlowObjectiveManager(this, network.id());
+        } else if (serviceKey.serviceClass.equals(MastershipService.class)) {
+            service = new VirtualNetworkMastershipManager(this, network.id());
         } else {
             return null;
         }
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkMastershipManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkMastershipManager.java
new file mode 100644
index 0000000..273ecbb
--- /dev/null
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkMastershipManager.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2017-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.incubator.net.virtual.impl;
+
+import org.onlab.metrics.MetricsService;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.cluster.RoleInfo;
+import org.onosproject.core.MetricsHelper;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualNetworkMastershipStore;
+import org.onosproject.incubator.net.virtual.VirtualNetworkService;
+import org.onosproject.incubator.net.virtual.event.AbstractVirtualListenerManager;
+import org.onosproject.mastership.MastershipAdminService;
+import org.onosproject.mastership.MastershipEvent;
+import org.onosproject.mastership.MastershipListener;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.mastership.MastershipStoreDelegate;
+import org.onosproject.mastership.MastershipTerm;
+import org.onosproject.mastership.MastershipTermService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MastershipRole;
+
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+
+public class VirtualNetworkMastershipManager
+        extends AbstractVirtualListenerManager<MastershipEvent, MastershipListener>
+        implements MastershipService, MastershipAdminService, MastershipTermService,
+        MetricsHelper {
+
+    VirtualNetworkMastershipStore store;
+    MastershipStoreDelegate storeDelegate;
+
+    /**
+     * Creates a new VirtualNetworkMastershipManager object.
+     *
+     * @param manager virtual network manager service
+     * @param networkId virtual network identifier
+     */
+    public VirtualNetworkMastershipManager(VirtualNetworkService manager, NetworkId networkId) {
+        super(manager, networkId, MastershipEvent.class);
+
+        store = serviceDirectory.get(VirtualNetworkMastershipStore.class);
+        this.storeDelegate = new InternalDelegate();
+        store.setDelegate(networkId, this.storeDelegate);
+    }
+
+    @Override
+    public MetricsService metricsService() {
+        return null;
+    }
+
+    @Override
+    public MastershipTerm getMastershipTerm(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Void> setRole(NodeId instance, DeviceId deviceId, MastershipRole role) {
+        return null;
+    }
+
+    @Override
+    public void balanceRoles() {
+
+    }
+
+    @Override
+    public MastershipRole getLocalRole(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<MastershipRole> requestRoleFor(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Void> relinquishMastership(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public NodeId getMasterFor(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public RoleInfo getNodesFor(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public Set<DeviceId> getDevicesOf(NodeId nodeId) {
+        return null;
+    }
+
+    public class InternalDelegate implements MastershipStoreDelegate {
+        @Override
+        public void notify(MastershipEvent event) {
+            post(event);
+        }
+    }
+}
diff --git a/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualMastershipStore.java b/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualMastershipStore.java
new file mode 100644
index 0000000..bd972b2
--- /dev/null
+++ b/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualMastershipStore.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2017-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.incubator.store.virtual.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.Service;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.cluster.RoleInfo;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualNetworkMastershipStore;
+import org.onosproject.mastership.MastershipEvent;
+import org.onosproject.mastership.MastershipStoreDelegate;
+import org.onosproject.mastership.MastershipTerm;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MastershipRole;
+import org.slf4j.Logger;
+
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Implementation of the virtual network mastership store to manage inventory of
+ * mastership using trivial in-memory implementation.
+ */
+@Component(immediate = true)
+@Service
+public class SimpleVirtualMastershipStore
+        extends AbstractVirtualStore<MastershipEvent, MastershipStoreDelegate>
+        implements VirtualNetworkMastershipStore {
+
+    private final Logger log = getLogger(getClass());
+
+    @Activate
+    public void activate() {
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Override
+    public CompletableFuture<MastershipRole> requestRole(NetworkId networkId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public MastershipRole getRole(NetworkId networkId, NodeId nodeId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public NodeId getMaster(NetworkId networkId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public RoleInfo getNodes(NetworkId networkId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public Set<DeviceId> getDevices(NetworkId networkId, NodeId nodeId) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<MastershipEvent> setMaster(NetworkId networkId,
+                                                        NodeId nodeId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public MastershipTerm getTermFor(NetworkId networkId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<MastershipEvent> setStandby(NetworkId networkId,
+                                                         NodeId nodeId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<MastershipEvent> relinquishRole(NetworkId networkId,
+                                                             NodeId nodeId, DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public void relinquishAllRole(NetworkId networkId, NodeId nodeId) {
+
+    }
+}