diff --git a/apps/fwd/src/main/java/org/onlab/onos/fwd/ReactiveForwarding.java b/apps/fwd/src/main/java/org/onlab/onos/fwd/ReactiveForwarding.java
index e5eac73..08fe0f5 100644
--- a/apps/fwd/src/main/java/org/onlab/onos/fwd/ReactiveForwarding.java
+++ b/apps/fwd/src/main/java/org/onlab/onos/fwd/ReactiveForwarding.java
@@ -170,7 +170,9 @@
         // We don't yet support bufferids in the flowservice so packet out first.
         packetOut(context, portNumber);
 
-
+        if (true) {
+            return;
+        }
 
         // Install the flow rule to handle this type of message from now on.
         Ethernet inPkt = context.inPacket().parsed();
diff --git a/cli/src/main/java/org/onlab/onos/cli/MastersListCommand.java b/cli/src/main/java/org/onlab/onos/cli/MastersListCommand.java
index 2da76fd..c23d59e 100644
--- a/cli/src/main/java/org/onlab/onos/cli/MastersListCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/MastersListCommand.java
@@ -1,11 +1,12 @@
 package org.onlab.onos.cli;
 
 import com.google.common.collect.Lists;
+
 import org.apache.karaf.shell.commands.Command;
 import org.onlab.onos.cluster.ClusterService;
 import org.onlab.onos.cluster.ControllerNode;
-import org.onlab.onos.cluster.MastershipService;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipService;
 
 import java.util.Collections;
 import java.util.List;
@@ -22,7 +23,7 @@
     @Override
     protected void execute() {
         ClusterService service = get(ClusterService.class);
-        MastershipService mastershipService = get(MastershipService.class);
+        DeviceMastershipService mastershipService = get(DeviceMastershipService.class);
         List<ControllerNode> nodes = newArrayList(service.getNodes());
         Collections.sort(nodes, Comparators.NODE_COMPARATOR);
         ControllerNode self = service.getLocalNode();
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/DeviceRoleCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/DeviceRoleCommand.java
index dfb8283..3418aa0 100644
--- a/cli/src/main/java/org/onlab/onos/cli/net/DeviceRoleCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/net/DeviceRoleCommand.java
@@ -3,9 +3,9 @@
 import org.apache.karaf.shell.commands.Argument;
 import org.apache.karaf.shell.commands.Command;
 import org.onlab.onos.cli.AbstractShellCommand;
-import org.onlab.onos.cluster.MastershipAdminService;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.device.DeviceMastershipAdminService;
 
 import static org.onlab.onos.net.DeviceId.deviceId;
 
@@ -30,7 +30,7 @@
 
     @Override
     protected void execute() {
-        MastershipAdminService service = get(MastershipAdminService.class);
+        DeviceMastershipAdminService service = get(DeviceMastershipAdminService.class);
         MastershipRole mastershipRole = MastershipRole.valueOf(role.toUpperCase());
         service.setRole(new NodeId(node), deviceId(uri), mastershipRole);
     }
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java
index fe18ba0..5fd29f2 100644
--- a/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/net/WipeOutCommand.java
@@ -19,17 +19,16 @@
          description = "Wipes-out the entire network information base, i.e. devices, links, hosts")
 public class WipeOutCommand extends ClustersListCommand {
 
-    private static final String DISCLAIMER = "Delete everything please.";
+    private static final String PLEASE = "please";
 
-    @Argument(index = 0, name = "disclaimer", description = "Device ID",
+    @Argument(index = 0, name = "please", description = "Confirmation phrase",
               required = false, multiValued = false)
-    String disclaimer = null;
+    String please = null;
 
     @Override
     protected void execute() {
-        if (disclaimer == null || !disclaimer.equals(DISCLAIMER)) {
-            print("I'm afraid I can't do that!\nPlease acknowledge with phrase: '%s'",
-                  DISCLAIMER);
+        if (please == null || !please.equals(PLEASE)) {
+            print("I'm afraid I can't do that!\nSay: %s", PLEASE);
             return;
         }
 
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipListener.java b/core/api/src/main/java/org/onlab/onos/cluster/MastershipListener.java
deleted file mode 100644
index 71d65be..0000000
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipListener.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package org.onlab.onos.cluster;
-
-import org.onlab.onos.event.EventListener;
-
-/**
- * Entity capable of receiving device mastership-related events.
- */
-public interface MastershipListener extends EventListener<MastershipEvent> {
-}
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipStoreDelegate.java b/core/api/src/main/java/org/onlab/onos/cluster/MastershipStoreDelegate.java
deleted file mode 100644
index b4d923c..0000000
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipStoreDelegate.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package org.onlab.onos.cluster;
-
-import org.onlab.onos.store.StoreDelegate;
-
-/**
- * Mastership store delegate abstraction.
- */
-public interface MastershipStoreDelegate extends StoreDelegate<MastershipEvent> {
-}
diff --git a/core/api/src/main/java/org/onlab/onos/net/ElementId.java b/core/api/src/main/java/org/onlab/onos/net/ElementId.java
index d2cd398..3f9c88d 100644
--- a/core/api/src/main/java/org/onlab/onos/net/ElementId.java
+++ b/core/api/src/main/java/org/onlab/onos/net/ElementId.java
@@ -9,10 +9,12 @@
 public abstract class ElementId {
 
     private final URI uri;
+    private final String str;
 
     // Default constructor for serialization
     protected ElementId() {
         this.uri = null;
+        this.str = null;
     }
 
     /**
@@ -22,6 +24,7 @@
      */
     protected ElementId(URI uri) {
         this.uri = uri;
+        this.str = uri.toString();
     }
 
     /**
@@ -35,7 +38,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(uri);
+        return Objects.hash(str);
     }
 
     @Override
@@ -46,14 +49,14 @@
         if (obj instanceof ElementId) {
             final ElementId that = (ElementId) obj;
             return this.getClass() == that.getClass() &&
-                    Objects.equals(this.uri, that.uri);
+                    Objects.equals(this.str, that.str);
         }
         return false;
     }
 
     @Override
     public String toString() {
-        return uri.toString();
+        return str;
     }
 
 }
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipAdminService.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipAdminService.java
similarity index 78%
rename from core/api/src/main/java/org/onlab/onos/cluster/MastershipAdminService.java
rename to core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipAdminService.java
index 907b3f8..78c9c39 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipAdminService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipAdminService.java
@@ -1,12 +1,13 @@
-package org.onlab.onos.cluster;
+package org.onlab.onos.net.device;
 
+import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
 
 /**
  * Service for administering the inventory of device masterships.
  */
-public interface MastershipAdminService {
+public interface DeviceMastershipAdminService {
 
     /**
      * Applies the current mastership role for the specified device.
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipEvent.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipEvent.java
similarity index 78%
rename from core/api/src/main/java/org/onlab/onos/cluster/MastershipEvent.java
rename to core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipEvent.java
index 15811fb..1232d9c 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipEvent.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipEvent.java
@@ -1,12 +1,13 @@
-package org.onlab.onos.cluster;
+package org.onlab.onos.net.device;
 
+import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.event.AbstractEvent;
 import org.onlab.onos.net.DeviceId;
 
 /**
  * Describes a device mastership event.
  */
-public class MastershipEvent extends AbstractEvent<MastershipEvent.Type, DeviceId> {
+public class DeviceMastershipEvent extends AbstractEvent<DeviceMastershipEvent.Type, DeviceId> {
 
     //do we worry about explicitly setting slaves/equals? probably not,
     //to keep it simple
@@ -30,7 +31,7 @@
      * @param device event device subject
      * @param master master ID subject
      */
-    public MastershipEvent(Type type, DeviceId device, NodeId master) {
+    public DeviceMastershipEvent(Type type, DeviceId device, NodeId master) {
         super(type, device);
         this.master = master;
     }
@@ -44,7 +45,7 @@
      * @param master master ID subject
      * @param time   occurrence time
      */
-    public MastershipEvent(Type type, DeviceId device, NodeId master, long time) {
+    public DeviceMastershipEvent(Type type, DeviceId device, NodeId master, long time) {
         super(type, device, time);
         this.master = master;
     }
diff --git a/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipListener.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipListener.java
new file mode 100644
index 0000000..0c7c8d9
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipListener.java
@@ -0,0 +1,9 @@
+package org.onlab.onos.net.device;
+
+import org.onlab.onos.event.EventListener;
+
+/**
+ * Entity capable of receiving device mastership-related events.
+ */
+public interface DeviceMastershipListener extends EventListener<DeviceMastershipEvent> {
+}
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipService.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipService.java
similarity index 88%
rename from core/api/src/main/java/org/onlab/onos/cluster/MastershipService.java
rename to core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipService.java
index 51b6f6a..a44abfd 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipService.java
@@ -1,7 +1,8 @@
-package org.onlab.onos.cluster;
+package org.onlab.onos.net.device;
 
 import java.util.Set;
 
+import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
 
@@ -11,7 +12,7 @@
  * determining mastership, but is not responsible for actually applying it
  * to the devices; this falls on the device service.
  */
-public interface MastershipService {
+public interface DeviceMastershipService {
 
     /**
      * Returns the role of the local node for the specified device, without
@@ -62,20 +63,20 @@
      *
      * @return the MastershipTermService for this mastership manager
      */
-    MastershipTermService requestTermService();
+    DeviceMastershipTermService requestTermService();
 
     /**
      * Adds the specified mastership change listener.
      *
      * @param listener the mastership listener
      */
-    void addListener(MastershipListener listener);
+    void addListener(DeviceMastershipListener listener);
 
     /**
      * Removes the specified mastership change listener.
      *
      * @param listener the mastership listener
      */
-    void removeListener(MastershipListener listener);
+    void removeListener(DeviceMastershipListener listener);
 
 }
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipStore.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipStore.java
similarity index 84%
rename from core/api/src/main/java/org/onlab/onos/cluster/MastershipStore.java
rename to core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipStore.java
index dc5603f..ee9b253 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipStore.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipStore.java
@@ -1,7 +1,8 @@
-package org.onlab.onos.cluster;
+package org.onlab.onos.net.device;
 
 import java.util.Set;
 
+import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
 import org.onlab.onos.store.Store;
@@ -10,7 +11,7 @@
  * Manages inventory of mastership roles for devices, across controller
  * instances; not intended for direct use.
  */
-public interface MastershipStore extends Store<MastershipEvent, MastershipStoreDelegate> {
+public interface DeviceMastershipStore extends Store<DeviceMastershipEvent, DeviceMastershipStoreDelegate> {
 
     // three things to map: NodeId, DeviceId, MastershipRole
 
@@ -54,7 +55,7 @@
      * @param deviceId device identifier
      * @return a mastership event
      */
-    MastershipEvent setMaster(NodeId nodeId, DeviceId deviceId);
+    DeviceMastershipEvent setMaster(NodeId nodeId, DeviceId deviceId);
 
     /**
      * Returns the current master and number of past mastership hand-offs
@@ -63,7 +64,7 @@
      * @param deviceId the device identifier
      * @return the current master's ID and the term value for device, or null
      */
-    MastershipTerm getTermFor(DeviceId deviceId);
+    DeviceMastershipTerm getTermFor(DeviceId deviceId);
 
     /**
      * Sets a controller instance's mastership role to STANDBY for a device.
@@ -74,7 +75,7 @@
      * @param deviceId device to revoke mastership role for
      * @return a mastership event
      */
-    MastershipEvent setStandby(NodeId nodeId, DeviceId deviceId);
+    DeviceMastershipEvent setStandby(NodeId nodeId, DeviceId deviceId);
 
     /**
      * Allows a controller instance to give up its current role for a device.
@@ -85,6 +86,6 @@
      * @param deviceId device to revoke mastership role for
      * @return a mastership event
      */
-    MastershipEvent relinquishRole(NodeId nodeId, DeviceId deviceId);
+    DeviceMastershipEvent relinquishRole(NodeId nodeId, DeviceId deviceId);
 
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipStoreDelegate.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipStoreDelegate.java
new file mode 100644
index 0000000..f654d85
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipStoreDelegate.java
@@ -0,0 +1,9 @@
+package org.onlab.onos.net.device;
+
+import org.onlab.onos.store.StoreDelegate;
+
+/**
+ * DeviceMastership store delegate abstraction.
+ */
+public interface DeviceMastershipStoreDelegate extends StoreDelegate<DeviceMastershipEvent> {
+}
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipTerm.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipTerm.java
similarity index 64%
rename from core/api/src/main/java/org/onlab/onos/cluster/MastershipTerm.java
rename to core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipTerm.java
index 71d08f2..f05a3d2 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipTerm.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipTerm.java
@@ -1,19 +1,21 @@
-package org.onlab.onos.cluster;
+package org.onlab.onos.net.device;
 
 import java.util.Objects;
 
-public final class MastershipTerm {
+import org.onlab.onos.cluster.NodeId;
+
+public final class DeviceMastershipTerm {
 
     private final NodeId master;
     private final int termNumber;
 
-    private MastershipTerm(NodeId master, int term) {
+    private DeviceMastershipTerm(NodeId master, int term) {
         this.master = master;
         this.termNumber = term;
     }
 
-    public static MastershipTerm of(NodeId master, int term) {
-        return new MastershipTerm(master, term);
+    public static DeviceMastershipTerm of(NodeId master, int term) {
+        return new DeviceMastershipTerm(master, term);
     }
 
     public NodeId master() {
@@ -34,8 +36,8 @@
         if (this == other) {
             return true;
         }
-        if (other instanceof MastershipTerm) {
-            MastershipTerm that = (MastershipTerm) other;
+        if (other instanceof DeviceMastershipTerm) {
+            DeviceMastershipTerm that = (DeviceMastershipTerm) other;
             if (!this.master.equals(that.master)) {
                 return false;
             }
diff --git a/core/api/src/main/java/org/onlab/onos/cluster/MastershipTermService.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipTermService.java
similarity index 74%
rename from core/api/src/main/java/org/onlab/onos/cluster/MastershipTermService.java
rename to core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipTermService.java
index b03ed81..7a0c063 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/MastershipTermService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceMastershipTermService.java
@@ -1,4 +1,4 @@
-package org.onlab.onos.cluster;
+package org.onlab.onos.net.device;
 
 import org.onlab.onos.net.DeviceId;
 
@@ -6,7 +6,7 @@
 /**
  * Service to obtain mastership term information.
  */
-public interface MastershipTermService {
+public interface DeviceMastershipTermService {
 
     // TBD: manage/increment per device mastership change
     //      or increment on any change
@@ -16,5 +16,5 @@
      * @param deviceId the identifier of the device
      * @return current master's term.
      */
-    MastershipTerm getMastershipTerm(DeviceId deviceId);
+    DeviceMastershipTerm getMastershipTerm(DeviceId deviceId);
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficTreatment.java b/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficTreatment.java
index 7182916..269347a 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficTreatment.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficTreatment.java
@@ -1,19 +1,16 @@
 package org.onlab.onos.net.flow;
 
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Objects;
-
 import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.flow.instructions.Instruction;
 import org.onlab.onos.net.flow.instructions.Instructions;
 import org.onlab.packet.IpPrefix;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
-import org.slf4j.Logger;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Objects;
 
 /**
  * Default traffic treatment implementation.
@@ -58,7 +55,7 @@
         }
         if (obj instanceof DefaultTrafficTreatment) {
             DefaultTrafficTreatment that = (DefaultTrafficTreatment) obj;
-            return  Objects.equals(instructions, that.instructions);
+            return Objects.equals(instructions, that.instructions);
 
         }
         return false;
@@ -70,8 +67,6 @@
      */
     public static final class Builder implements TrafficTreatment.Builder {
 
-        private final Logger log = getLogger(getClass());
-
         boolean drop = false;
 
         List<Instruction> outputs = new LinkedList<>();
@@ -107,7 +102,8 @@
                     groups.add(instruction);
                     break;
                 default:
-                    log.warn("Unknown instruction type {}", instruction.type());
+                    throw new IllegalArgumentException("Unknown instruction type: " +
+                                                               instruction.type());
             }
             return this;
         }
diff --git a/core/api/src/main/java/org/onlab/onos/store/ClockProviderService.java b/core/api/src/main/java/org/onlab/onos/store/ClockProviderService.java
index a5f81c7..fff6d15 100644
--- a/core/api/src/main/java/org/onlab/onos/store/ClockProviderService.java
+++ b/core/api/src/main/java/org/onlab/onos/store/ClockProviderService.java
@@ -1,7 +1,7 @@
 package org.onlab.onos.store;
 
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 
 //TODO: Consider renaming to DeviceClockProviderService?
 /**
@@ -16,5 +16,5 @@
      * @param deviceId device identifier.
      * @param term mastership term.
      */
-    public void setMastershipTerm(DeviceId deviceId, MastershipTerm term);
+    public void setMastershipTerm(DeviceId deviceId, DeviceMastershipTerm term);
 }
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/Timestamped.java b/core/api/src/main/java/org/onlab/onos/store/Timestamped.java
similarity index 95%
rename from core/store/dist/src/main/java/org/onlab/onos/store/common/impl/Timestamped.java
rename to core/api/src/main/java/org/onlab/onos/store/Timestamped.java
index 77b0a87..9de7b0d 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/Timestamped.java
+++ b/core/api/src/main/java/org/onlab/onos/store/Timestamped.java
@@ -1,11 +1,9 @@
-package org.onlab.onos.store.common.impl;
+package org.onlab.onos.store;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import java.util.Objects;
 
-import org.onlab.onos.store.Timestamp;
-
 import com.google.common.base.MoreObjects;
 
 /**
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/VersionedValue.java b/core/api/src/main/java/org/onlab/onos/store/VersionedValue.java
similarity index 95%
rename from core/store/dist/src/main/java/org/onlab/onos/store/device/impl/VersionedValue.java
rename to core/api/src/main/java/org/onlab/onos/store/VersionedValue.java
index a0f485a..70602f6 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/VersionedValue.java
+++ b/core/api/src/main/java/org/onlab/onos/store/VersionedValue.java
@@ -1,9 +1,7 @@
-package org.onlab.onos.store.device.impl;
+package org.onlab.onos.store;
 
 import java.util.Objects;
 
-import org.onlab.onos.store.Timestamp;
-
 /**
  * Wrapper class for a entity that is versioned
  * and can either be up or down.
diff --git a/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java b/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java
index 2e92f5b..53fafd3 100644
--- a/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java
+++ b/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java
@@ -2,13 +2,16 @@
 
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.device.DeviceMastershipListener;
+import org.onlab.onos.net.device.DeviceMastershipService;
+import org.onlab.onos.net.device.DeviceMastershipTermService;
 
 import java.util.Set;
 
 /**
  * Test adapter for mastership service.
  */
-public class MastershipServiceAdapter implements MastershipService {
+public class MastershipServiceAdapter implements DeviceMastershipService {
     @Override
     public MastershipRole getLocalRole(DeviceId deviceId) {
         return null;
@@ -34,15 +37,15 @@
     }
 
     @Override
-    public void addListener(MastershipListener listener) {
+    public void addListener(DeviceMastershipListener listener) {
     }
 
     @Override
-    public void removeListener(MastershipListener listener) {
+    public void removeListener(DeviceMastershipListener listener) {
     }
 
     @Override
-    public MastershipTermService requestTermService() {
+    public DeviceMastershipTermService requestTermService() {
         return null;
     }
 }
diff --git a/core/api/src/test/java/org/onlab/onos/cluster/MastershipTermTest.java b/core/api/src/test/java/org/onlab/onos/cluster/MastershipTermTest.java
index 139c695..87faf52 100644
--- a/core/api/src/test/java/org/onlab/onos/cluster/MastershipTermTest.java
+++ b/core/api/src/test/java/org/onlab/onos/cluster/MastershipTermTest.java
@@ -3,6 +3,7 @@
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 
 import com.google.common.testing.EqualsTester;
 
@@ -11,10 +12,10 @@
     private static final NodeId N1 = new NodeId("foo");
     private static final NodeId N2 = new NodeId("bar");
 
-    private static final MastershipTerm TERM1 = MastershipTerm.of(N1, 0);
-    private static final MastershipTerm TERM2 = MastershipTerm.of(N2, 1);
-    private static final MastershipTerm TERM3 = MastershipTerm.of(N2, 1);
-    private static final MastershipTerm TERM4 = MastershipTerm.of(N1, 1);
+    private static final DeviceMastershipTerm TERM1 = DeviceMastershipTerm.of(N1, 0);
+    private static final DeviceMastershipTerm TERM2 = DeviceMastershipTerm.of(N2, 1);
+    private static final DeviceMastershipTerm TERM3 = DeviceMastershipTerm.of(N2, 1);
+    private static final DeviceMastershipTerm TERM4 = DeviceMastershipTerm.of(N1, 1);
 
     @Test
     public void basics() {
@@ -24,7 +25,7 @@
 
     @Test
     public void testEquality() {
-        new EqualsTester().addEqualityGroup(MastershipTerm.of(N1, 0), TERM1)
+        new EqualsTester().addEqualityGroup(DeviceMastershipTerm.of(N1, 0), TERM1)
         .addEqualityGroup(TERM2, TERM3)
         .addEqualityGroup(TERM4);
     }
diff --git a/core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java b/core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java
index 125745b..b9c6ae8 100644
--- a/core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java
+++ b/core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java
@@ -14,25 +14,25 @@
 import org.onlab.onos.cluster.ClusterEvent;
 import org.onlab.onos.cluster.ClusterEventListener;
 import org.onlab.onos.cluster.ClusterService;
-import org.onlab.onos.cluster.MastershipAdminService;
-import org.onlab.onos.cluster.MastershipEvent;
-import org.onlab.onos.cluster.MastershipListener;
-import org.onlab.onos.cluster.MastershipService;
-import org.onlab.onos.cluster.MastershipStore;
-import org.onlab.onos.cluster.MastershipStoreDelegate;
-import org.onlab.onos.cluster.MastershipTerm;
-import org.onlab.onos.cluster.MastershipTermService;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.event.AbstractListenerRegistry;
 import org.onlab.onos.event.EventDeliveryService;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.device.DeviceMastershipAdminService;
+import org.onlab.onos.net.device.DeviceMastershipEvent;
+import org.onlab.onos.net.device.DeviceMastershipListener;
+import org.onlab.onos.net.device.DeviceMastershipService;
+import org.onlab.onos.net.device.DeviceMastershipStore;
+import org.onlab.onos.net.device.DeviceMastershipStoreDelegate;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
+import org.onlab.onos.net.device.DeviceMastershipTermService;
 import org.slf4j.Logger;
 
 @Component(immediate = true)
 @Service
 public class MastershipManager
-implements MastershipService, MastershipAdminService {
+implements DeviceMastershipService, DeviceMastershipAdminService {
 
     private static final String NODE_ID_NULL = "Node ID cannot be null";
     private static final String DEVICE_ID_NULL = "Device ID cannot be null";
@@ -40,13 +40,13 @@
 
     private final Logger log = getLogger(getClass());
 
-    protected final AbstractListenerRegistry<MastershipEvent, MastershipListener>
+    protected final AbstractListenerRegistry<DeviceMastershipEvent, DeviceMastershipListener>
     listenerRegistry = new AbstractListenerRegistry<>();
 
-    private final MastershipStoreDelegate delegate = new InternalDelegate();
+    private final DeviceMastershipStoreDelegate delegate = new InternalDelegate();
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected MastershipStore store;
+    protected DeviceMastershipStore store;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected EventDeliveryService eventDispatcher;
@@ -58,7 +58,7 @@
 
     @Activate
     public void activate() {
-        eventDispatcher.addSink(MastershipEvent.class, listenerRegistry);
+        eventDispatcher.addSink(DeviceMastershipEvent.class, listenerRegistry);
         clusterService.addListener(clusterListener);
         store.setDelegate(delegate);
         log.info("Started");
@@ -66,7 +66,7 @@
 
     @Deactivate
     public void deactivate() {
-        eventDispatcher.removeSink(MastershipEvent.class);
+        eventDispatcher.removeSink(DeviceMastershipEvent.class);
         clusterService.removeListener(clusterListener);
         store.unsetDelegate(delegate);
         log.info("Stopped");
@@ -78,7 +78,7 @@
         checkNotNull(deviceId, DEVICE_ID_NULL);
         checkNotNull(role, ROLE_NULL);
 
-        MastershipEvent event = null;
+        DeviceMastershipEvent event = null;
         if (role.equals(MastershipRole.MASTER)) {
             event = store.setMaster(nodeId, deviceId);
         } else {
@@ -98,7 +98,7 @@
 
     @Override
     public void relinquishMastership(DeviceId deviceId) {
-        MastershipEvent event = null;
+        DeviceMastershipEvent event = null;
         event = store.relinquishRole(
                 clusterService.getLocalNode().id(), deviceId);
 
@@ -127,18 +127,18 @@
 
 
     @Override
-    public MastershipTermService requestTermService() {
+    public DeviceMastershipTermService requestTermService() {
         return new InternalMastershipTermService();
     }
 
     @Override
-    public void addListener(MastershipListener listener) {
+    public void addListener(DeviceMastershipListener listener) {
         checkNotNull(listener);
         listenerRegistry.addListener(listener);
     }
 
     @Override
-    public void removeListener(MastershipListener listener) {
+    public void removeListener(DeviceMastershipListener listener) {
         checkNotNull(listener);
         listenerRegistry.removeListener(listener);
     }
@@ -146,16 +146,16 @@
     // FIXME: provide wiring to allow events to be triggered by changes within the store
 
     // Posts the specified event to the local event dispatcher.
-    private void post(MastershipEvent event) {
+    private void post(DeviceMastershipEvent event) {
         if (event != null && eventDispatcher != null) {
             eventDispatcher.post(event);
         }
     }
 
-    private class InternalMastershipTermService implements MastershipTermService {
+    private class InternalMastershipTermService implements DeviceMastershipTermService {
 
         @Override
-        public MastershipTerm getMastershipTerm(DeviceId deviceId) {
+        public DeviceMastershipTerm getMastershipTerm(DeviceId deviceId) {
             return store.getTermFor(deviceId);
         }
 
@@ -181,10 +181,10 @@
 
     }
 
-    public class InternalDelegate implements MastershipStoreDelegate {
+    public class InternalDelegate implements DeviceMastershipStoreDelegate {
 
         @Override
-        public void notify(MastershipEvent event) {
+        public void notify(DeviceMastershipEvent event) {
             log.info("dispatching mastership event {}", event);
             eventDispatcher.post(event);
         }
diff --git a/core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java b/core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java
index 8cde5a3..d4b8889 100644
--- a/core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java
@@ -13,11 +13,6 @@
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.onos.cluster.ClusterService;
-import org.onlab.onos.cluster.MastershipEvent;
-import org.onlab.onos.cluster.MastershipListener;
-import org.onlab.onos.cluster.MastershipService;
-import org.onlab.onos.cluster.MastershipTermService;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.event.AbstractListenerRegistry;
 import org.onlab.onos.event.EventDeliveryService;
@@ -36,6 +31,11 @@
 import org.onlab.onos.net.device.DeviceService;
 import org.onlab.onos.net.device.DeviceStore;
 import org.onlab.onos.net.device.DeviceStoreDelegate;
+import org.onlab.onos.net.device.DeviceMastershipEvent;
+import org.onlab.onos.net.device.DeviceMastershipListener;
+import org.onlab.onos.net.device.DeviceMastershipService;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
+import org.onlab.onos.net.device.DeviceMastershipTermService;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.AbstractProviderRegistry;
 import org.onlab.onos.net.provider.AbstractProviderService;
@@ -64,7 +64,7 @@
 
     private final DeviceStoreDelegate delegate = new InternalStoreDelegate();
 
-    private final MastershipListener mastershipListener = new InternalMastershipListener();
+    private final DeviceMastershipListener mastershipListener = new InternalMastershipListener();
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected DeviceStore store;
@@ -76,9 +76,9 @@
     protected ClusterService clusterService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected MastershipService mastershipService;
+    protected DeviceMastershipService mastershipService;
 
-    protected MastershipTermService termService;
+    protected DeviceMastershipTermService termService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected ClockProviderService clockProviderService;
@@ -209,7 +209,7 @@
                 return;
             }
 
-            MastershipTerm term = mastershipService.requestTermService()
+            DeviceMastershipTerm term = mastershipService.requestTermService()
                     .getMastershipTerm(deviceId);
             if (!term.master().equals(clusterService.getLocalNode().id())) {
                 // lost mastership after requestRole told this instance was MASTER.
@@ -320,16 +320,16 @@
     }
 
     // Intercepts mastership events
-    private class InternalMastershipListener implements MastershipListener {
+    private class InternalMastershipListener implements DeviceMastershipListener {
 
         @Override
-        public void event(MastershipEvent event) {
+        public void event(DeviceMastershipEvent event) {
             final DeviceId did = event.subject();
             if (isAvailable(did)) {
                 final NodeId myNodeId = clusterService.getLocalNode().id();
 
                 if (myNodeId.equals(event.master())) {
-                    MastershipTerm term = termService.getMastershipTerm(did);
+                    DeviceMastershipTerm term = termService.getMastershipTerm(did);
 
                     if (term.master().equals(myNodeId)) {
                         // only set the new term if I am the master
diff --git a/core/net/src/test/java/org/onlab/onos/cluster/impl/MastershipManagerTest.java b/core/net/src/test/java/org/onlab/onos/cluster/impl/MastershipManagerTest.java
index 29b4ddf..84ca891 100644
--- a/core/net/src/test/java/org/onlab/onos/cluster/impl/MastershipManagerTest.java
+++ b/core/net/src/test/java/org/onlab/onos/cluster/impl/MastershipManagerTest.java
@@ -10,11 +10,11 @@
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.ControllerNode.State;
 import org.onlab.onos.cluster.DefaultControllerNode;
-import org.onlab.onos.cluster.MastershipService;
-import org.onlab.onos.cluster.MastershipTermService;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.event.impl.TestEventDispatcher;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipService;
+import org.onlab.onos.net.device.DeviceMastershipTermService;
 import org.onlab.onos.store.trivial.impl.SimpleMastershipStore;
 import org.onlab.packet.IpPrefix;
 
@@ -34,7 +34,7 @@
     private static final DeviceId DEV_OTHER = DeviceId.deviceId("of:2");
 
     private MastershipManager mgr;
-    protected MastershipService service;
+    protected DeviceMastershipService service;
 
     @Before
     public void setUp() {
@@ -120,7 +120,7 @@
 
     @Test
     public void termService() {
-        MastershipTermService ts = mgr.requestTermService();
+        DeviceMastershipTermService ts = mgr.requestTermService();
 
         //term = 0 for both
         mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
diff --git a/core/net/src/test/java/org/onlab/onos/net/device/impl/DeviceManagerTest.java b/core/net/src/test/java/org/onlab/onos/net/device/impl/DeviceManagerTest.java
index e833b4a..bc4e353 100644
--- a/core/net/src/test/java/org/onlab/onos/net/device/impl/DeviceManagerTest.java
+++ b/core/net/src/test/java/org/onlab/onos/net/device/impl/DeviceManagerTest.java
@@ -11,8 +11,6 @@
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.DefaultControllerNode;
 import org.onlab.onos.cluster.MastershipServiceAdapter;
-import org.onlab.onos.cluster.MastershipTerm;
-import org.onlab.onos.cluster.MastershipTermService;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.cluster.ControllerNode.State;
 import org.onlab.onos.event.Event;
@@ -32,6 +30,8 @@
 import org.onlab.onos.net.device.DeviceProviderRegistry;
 import org.onlab.onos.net.device.DeviceProviderService;
 import org.onlab.onos.net.device.DeviceService;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
+import org.onlab.onos.net.device.DeviceMastershipTermService;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.AbstractProvider;
 import org.onlab.onos.net.provider.ProviderId;
@@ -290,12 +290,12 @@
         }
 
         @Override
-        public MastershipTermService requestTermService() {
-            return new MastershipTermService() {
+        public DeviceMastershipTermService requestTermService() {
+            return new DeviceMastershipTermService() {
                 @Override
-                public MastershipTerm getMastershipTerm(DeviceId deviceId) {
+                public DeviceMastershipTerm getMastershipTerm(DeviceId deviceId) {
                     // FIXME: just returning something not null
-                    return MastershipTerm.of(NID_LOCAL, 1);
+                    return DeviceMastershipTerm.of(NID_LOCAL, 1);
                 }
             };
         }
@@ -339,7 +339,7 @@
             ClockProviderService {
 
         @Override
-        public void setMastershipTerm(DeviceId deviceId, MastershipTerm term) {
+        public void setMastershipTerm(DeviceId deviceId, DeviceMastershipTerm term) {
             // TODO Auto-generated method stub
         }
     }
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterCommunicationManager.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterCommunicationManager.java
index 1b11873..c72fae8 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterCommunicationManager.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterCommunicationManager.java
@@ -6,6 +6,7 @@
 import java.util.Set;
 import java.util.Timer;
 import java.util.TimerTask;
+
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -23,10 +24,8 @@
 import org.onlab.onos.store.cluster.messaging.ClusterMessage;
 import org.onlab.onos.store.cluster.messaging.ClusterMessageHandler;
 import org.onlab.onos.store.cluster.messaging.MessageSubject;
-import org.onlab.onos.store.serializers.ClusterMessageSerializer;
 import org.onlab.onos.store.serializers.KryoPoolUtil;
 import org.onlab.onos.store.serializers.KryoSerializer;
-import org.onlab.onos.store.serializers.MessageSubjectSerializer;
 import org.onlab.util.KryoPool;
 import org.onlab.netty.Endpoint;
 import org.onlab.netty.Message;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/serializers/ClusterMessageSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterMessageSerializer.java
similarity index 95%
rename from core/store/dist/src/main/java/org/onlab/onos/store/serializers/ClusterMessageSerializer.java
rename to core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterMessageSerializer.java
index c0cefd6..d9a61b8 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/serializers/ClusterMessageSerializer.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/ClusterMessageSerializer.java
@@ -1,4 +1,4 @@
-package org.onlab.onos.store.serializers;
+package org.onlab.onos.store.cluster.messaging.impl;
 
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.store.cluster.messaging.ClusterMessage;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/serializers/MessageSubjectSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/MessageSubjectSerializer.java
similarity index 93%
rename from core/store/dist/src/main/java/org/onlab/onos/store/serializers/MessageSubjectSerializer.java
rename to core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/MessageSubjectSerializer.java
index bb6b292..d817ced 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/serializers/MessageSubjectSerializer.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/impl/MessageSubjectSerializer.java
@@ -1,4 +1,4 @@
-package org.onlab.onos.store.serializers;
+package org.onlab.onos.store.cluster.messaging.impl;
 
 import org.onlab.onos.store.cluster.messaging.MessageSubject;
 
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/AntiEntropyReply.java b/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/AntiEntropyReply.java
index 033a1de..46a2333 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/AntiEntropyReply.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/AntiEntropyReply.java
@@ -4,7 +4,7 @@
 import java.util.Set;
 
 import org.onlab.onos.cluster.NodeId;
-import org.onlab.onos.store.device.impl.VersionedValue;
+import org.onlab.onos.store.VersionedValue;
 
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/MastershipBasedTimestamp.java b/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/DeviceMastershipBasedTimestamp.java
similarity index 80%
rename from core/store/dist/src/main/java/org/onlab/onos/store/common/impl/MastershipBasedTimestamp.java
rename to core/store/dist/src/main/java/org/onlab/onos/store/common/impl/DeviceMastershipBasedTimestamp.java
index 0f4f894..4bc41ab 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/MastershipBasedTimestamp.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/DeviceMastershipBasedTimestamp.java
@@ -13,7 +13,7 @@
  * Default implementation of Timestamp.
  * TODO: Better documentation.
  */
-public final class MastershipBasedTimestamp implements Timestamp {
+public final class DeviceMastershipBasedTimestamp implements Timestamp {
 
     private final int termNumber;
     private final int sequenceNumber;
@@ -24,16 +24,16 @@
      * @param termNumber the mastership termNumber
      * @param sequenceNumber  the sequenceNumber number within the termNumber
      */
-    public MastershipBasedTimestamp(int termNumber, int sequenceNumber) {
+    public DeviceMastershipBasedTimestamp(int termNumber, int sequenceNumber) {
         this.termNumber = termNumber;
         this.sequenceNumber = sequenceNumber;
     }
 
     @Override
     public int compareTo(Timestamp o) {
-        checkArgument(o instanceof MastershipBasedTimestamp,
+        checkArgument(o instanceof DeviceMastershipBasedTimestamp,
                 "Must be MastershipBasedTimestamp", o);
-        MastershipBasedTimestamp that = (MastershipBasedTimestamp) o;
+        DeviceMastershipBasedTimestamp that = (DeviceMastershipBasedTimestamp) o;
 
         return ComparisonChain.start()
                 .compare(this.termNumber, that.termNumber)
@@ -51,10 +51,10 @@
         if (this == obj) {
             return true;
         }
-        if (!(obj instanceof MastershipBasedTimestamp)) {
+        if (!(obj instanceof DeviceMastershipBasedTimestamp)) {
             return false;
         }
-        MastershipBasedTimestamp that = (MastershipBasedTimestamp) obj;
+        DeviceMastershipBasedTimestamp that = (DeviceMastershipBasedTimestamp) obj;
         return Objects.equals(this.termNumber, that.termNumber) &&
                 Objects.equals(this.sequenceNumber, that.sequenceNumber);
     }
@@ -87,7 +87,7 @@
 
     // Default constructor for serialization
     @Deprecated
-    protected MastershipBasedTimestamp() {
+    protected DeviceMastershipBasedTimestamp() {
         this.termNumber = -1;
         this.sequenceNumber = -1;
     }
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampSerializer.java
new file mode 100644
index 0000000..99b4f95
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampSerializer.java
@@ -0,0 +1,34 @@
+package org.onlab.onos.store.common.impl;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+
+// To be used if Timestamp ever needs to cross bundle boundary.
+/**
+ * Kryo Serializer for {@link DeviceMastershipBasedTimestamp}.
+ */
+public class MastershipBasedTimestampSerializer extends Serializer<DeviceMastershipBasedTimestamp> {
+
+    /**
+     * Creates a serializer for {@link DeviceMastershipBasedTimestamp}.
+     */
+    public MastershipBasedTimestampSerializer() {
+        // non-null, immutable
+        super(false, true);
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, DeviceMastershipBasedTimestamp object) {
+        output.writeInt(object.termNumber());
+        output.writeInt(object.sequenceNumber());
+    }
+
+    @Override
+    public DeviceMastershipBasedTimestamp read(Kryo kryo, Input input, Class<DeviceMastershipBasedTimestamp> type) {
+        final int term = input.readInt();
+        final int sequence = input.readInt();
+        return new DeviceMastershipBasedTimestamp(term, sequence);
+    }
+}
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyAdvertisement.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyAdvertisement.java
index d05659b..c9f232a 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyAdvertisement.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyAdvertisement.java
@@ -8,6 +8,7 @@
 import org.onlab.onos.net.Device;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.store.Timestamp;
+import org.onlab.onos.store.VersionedValue;
 import org.onlab.onos.store.common.impl.AntiEntropyAdvertisement;
 
 // TODO DeviceID needs to be changed to something like (ProviderID, DeviceID)
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyReply.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyReply.java
index e7a4d0a..34dc873 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyReply.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceAntiEntropyReply.java
@@ -10,6 +10,7 @@
 import org.onlab.onos.net.Device;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.store.Timestamp;
+import org.onlab.onos.store.VersionedValue;
 import org.onlab.onos.store.common.impl.AntiEntropyReply;
 
 import com.google.common.collect.ImmutableMap;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceClockManager.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceClockManager.java
index e1e3692..6f4fb96 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceClockManager.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/DeviceClockManager.java
@@ -10,12 +10,12 @@
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Service;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.store.ClockProviderService;
 import org.onlab.onos.store.ClockService;
 import org.onlab.onos.store.Timestamp;
-import org.onlab.onos.store.common.impl.MastershipBasedTimestamp;
+import org.onlab.onos.store.common.impl.DeviceMastershipBasedTimestamp;
 import org.slf4j.Logger;
 
 /**
@@ -29,7 +29,7 @@
 
     // TODO: Implement per device ticker that is reset to 0 at the beginning of a new term.
     private final AtomicInteger ticker = new AtomicInteger(0);
-    private ConcurrentMap<DeviceId, MastershipTerm> deviceMastershipTerms = new ConcurrentHashMap<>();
+    private ConcurrentMap<DeviceId, DeviceMastershipTerm> deviceMastershipTerms = new ConcurrentHashMap<>();
 
     @Activate
     public void activate() {
@@ -43,15 +43,15 @@
 
     @Override
     public Timestamp getTimestamp(DeviceId deviceId) {
-        MastershipTerm term = deviceMastershipTerms.get(deviceId);
+        DeviceMastershipTerm term = deviceMastershipTerms.get(deviceId);
         if (term == null) {
             throw new IllegalStateException("Requesting timestamp for a deviceId without mastership");
         }
-        return new MastershipBasedTimestamp(term.termNumber(), ticker.incrementAndGet());
+        return new DeviceMastershipBasedTimestamp(term.termNumber(), ticker.incrementAndGet());
     }
 
     @Override
-    public void setMastershipTerm(DeviceId deviceId, MastershipTerm term) {
+    public void setMastershipTerm(DeviceId deviceId, DeviceMastershipTerm term) {
         deviceMastershipTerms.put(deviceId, term);
     }
 }
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java
index 2221ea0..06c70a0 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/GossipDeviceStore.java
@@ -35,14 +35,14 @@
 import org.onlab.onos.store.AbstractStore;
 import org.onlab.onos.store.ClockService;
 import org.onlab.onos.store.Timestamp;
+import org.onlab.onos.store.Timestamped;
 import org.onlab.onos.store.cluster.messaging.ClusterCommunicationService;
 import org.onlab.onos.store.cluster.messaging.ClusterMessage;
 import org.onlab.onos.store.cluster.messaging.ClusterMessageHandler;
-import org.onlab.onos.store.common.impl.MastershipBasedTimestamp;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.common.impl.DeviceMastershipBasedTimestamp;
+import org.onlab.onos.store.common.impl.MastershipBasedTimestampSerializer;
 import org.onlab.onos.store.serializers.KryoPoolUtil;
 import org.onlab.onos.store.serializers.KryoSerializer;
-import org.onlab.onos.store.serializers.MastershipBasedTimestampSerializer;
 import org.onlab.util.KryoPool;
 import org.onlab.util.NewConcurrentHashMap;
 import org.slf4j.Logger;
@@ -125,7 +125,7 @@
                     .register(InternalPortStatusEvent.class, new InternalPortStatusEventSerializer())
                     .register(Timestamp.class)
                     .register(Timestamped.class)
-                    .register(MastershipBasedTimestamp.class, new MastershipBasedTimestampSerializer())
+                    .register(DeviceMastershipBasedTimestamp.class, new MastershipBasedTimestampSerializer())
                     .build()
                     .populate(1);
         }
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEvent.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEvent.java
index 4214384..1deb5d5 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEvent.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEvent.java
@@ -3,7 +3,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.DeviceDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.Timestamped;
 
 /**
  * Information published by GossipDeviceStore to notify peers of a device
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
index 0d3d013..63ddda3 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalDeviceEventSerializer.java
@@ -3,7 +3,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.DeviceDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.Timestamped;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEvent.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEvent.java
index 64e77ca..ad4e380 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEvent.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEvent.java
@@ -5,7 +5,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.Timestamped;
 
 /**
  * Information published by GossipDeviceStore to notify peers of a port
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java
index 6fff395..ede88f1 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortEventSerializer.java
@@ -5,7 +5,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.Timestamped;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEvent.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEvent.java
index 7d3854b..00f9a9f 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEvent.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEvent.java
@@ -3,7 +3,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.Timestamped;
 
 /**
  * Information published by GossipDeviceStore to notify peers of a port
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java
index 6ec4122..82fbb89 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/device/impl/InternalPortStatusEventSerializer.java
@@ -3,7 +3,7 @@
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.store.common.impl.Timestamped;
+import org.onlab.onos.store.Timestamped;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/OnosDistributedLinkStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/OnosDistributedLinkStore.java
index a59b151..d00d76b 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/OnosDistributedLinkStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/OnosDistributedLinkStore.java
@@ -31,7 +31,7 @@
 import org.onlab.onos.store.AbstractStore;
 import org.onlab.onos.store.ClockService;
 import org.onlab.onos.store.Timestamp;
-import org.onlab.onos.store.device.impl.VersionedValue;
+import org.onlab.onos.store.VersionedValue;
 import org.slf4j.Logger;
 
 import com.google.common.collect.HashMultimap;
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/serializers/MastershipBasedTimestampSerializer.java b/core/store/dist/src/main/java/org/onlab/onos/store/serializers/MastershipBasedTimestampSerializer.java
deleted file mode 100644
index 516915e..0000000
--- a/core/store/dist/src/main/java/org/onlab/onos/store/serializers/MastershipBasedTimestampSerializer.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package org.onlab.onos.store.serializers;
-
-import org.onlab.onos.store.common.impl.MastershipBasedTimestamp;
-
-import com.esotericsoftware.kryo.Kryo;
-import com.esotericsoftware.kryo.Serializer;
-import com.esotericsoftware.kryo.io.Input;
-import com.esotericsoftware.kryo.io.Output;
-
-// To be used if Timestamp ever needs to cross bundle boundary.
-/**
- * Kryo Serializer for {@link MastershipBasedTimestamp}.
- */
-public class MastershipBasedTimestampSerializer extends Serializer<MastershipBasedTimestamp> {
-
-    /**
-     * Creates a serializer for {@link MastershipBasedTimestamp}.
-     */
-    public MastershipBasedTimestampSerializer() {
-        // non-null, immutable
-        super(false, true);
-    }
-
-    @Override
-    public void write(Kryo kryo, Output output, MastershipBasedTimestamp object) {
-        output.writeInt(object.termNumber());
-        output.writeInt(object.sequenceNumber());
-    }
-
-    @Override
-    public MastershipBasedTimestamp read(Kryo kryo, Input input, Class<MastershipBasedTimestamp> type) {
-        final int term = input.readInt();
-        final int sequence = input.readInt();
-        return new MastershipBasedTimestamp(term, sequence);
-    }
-}
diff --git a/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampTest.java b/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampTest.java
index ea63ef8..2c8ff35 100644
--- a/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampTest.java
+++ b/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/MastershipBasedTimestampTest.java
@@ -6,26 +6,25 @@
 
 import org.junit.Test;
 import org.onlab.onos.store.Timestamp;
-import org.onlab.onos.store.serializers.MastershipBasedTimestampSerializer;
 import org.onlab.util.KryoPool;
 
 import com.google.common.testing.EqualsTester;
 
 /**
- * Test of {@link MastershipBasedTimestamp}.
+ * Test of {@link DeviceMastershipBasedTimestamp}.
  */
 public class MastershipBasedTimestampTest {
 
-    private static final Timestamp TS_1_1 = new MastershipBasedTimestamp(1, 1);
-    private static final Timestamp TS_1_2 = new MastershipBasedTimestamp(1, 2);
-    private static final Timestamp TS_2_1 = new MastershipBasedTimestamp(2, 1);
-    private static final Timestamp TS_2_2 = new MastershipBasedTimestamp(2, 2);
+    private static final Timestamp TS_1_1 = new DeviceMastershipBasedTimestamp(1, 1);
+    private static final Timestamp TS_1_2 = new DeviceMastershipBasedTimestamp(1, 2);
+    private static final Timestamp TS_2_1 = new DeviceMastershipBasedTimestamp(2, 1);
+    private static final Timestamp TS_2_2 = new DeviceMastershipBasedTimestamp(2, 2);
 
     @Test
     public final void testBasic() {
         final int termNumber = 5;
         final int sequenceNumber = 6;
-        MastershipBasedTimestamp ts = new MastershipBasedTimestamp(termNumber,
+        DeviceMastershipBasedTimestamp ts = new DeviceMastershipBasedTimestamp(termNumber,
                                                 sequenceNumber);
 
         assertEquals(termNumber, ts.termNumber());
@@ -35,7 +34,7 @@
     @Test
     public final void testCompareTo() {
         assertTrue(TS_1_1.compareTo(TS_1_1) == 0);
-        assertTrue(TS_1_1.compareTo(new MastershipBasedTimestamp(1, 1)) == 0);
+        assertTrue(TS_1_1.compareTo(new DeviceMastershipBasedTimestamp(1, 1)) == 0);
 
         assertTrue(TS_1_1.compareTo(TS_1_2) < 0);
         assertTrue(TS_1_2.compareTo(TS_1_1) > 0);
@@ -49,14 +48,14 @@
     @Test
     public final void testEqualsObject() {
         new EqualsTester()
-        .addEqualityGroup(new MastershipBasedTimestamp(1, 1),
-                          new MastershipBasedTimestamp(1, 1), TS_1_1)
-        .addEqualityGroup(new MastershipBasedTimestamp(1, 2),
-                          new MastershipBasedTimestamp(1, 2), TS_1_2)
-        .addEqualityGroup(new MastershipBasedTimestamp(2, 1),
-                          new MastershipBasedTimestamp(2, 1), TS_2_1)
-        .addEqualityGroup(new MastershipBasedTimestamp(2, 2),
-                          new MastershipBasedTimestamp(2, 2), TS_2_2)
+        .addEqualityGroup(new DeviceMastershipBasedTimestamp(1, 1),
+                          new DeviceMastershipBasedTimestamp(1, 1), TS_1_1)
+        .addEqualityGroup(new DeviceMastershipBasedTimestamp(1, 2),
+                          new DeviceMastershipBasedTimestamp(1, 2), TS_1_2)
+        .addEqualityGroup(new DeviceMastershipBasedTimestamp(2, 1),
+                          new DeviceMastershipBasedTimestamp(2, 1), TS_2_1)
+        .addEqualityGroup(new DeviceMastershipBasedTimestamp(2, 2),
+                          new DeviceMastershipBasedTimestamp(2, 2), TS_2_2)
         .testEquals();
     }
 
@@ -64,7 +63,7 @@
     public final void testKryoSerializable() {
         final ByteBuffer buffer = ByteBuffer.allocate(1 * 1024 * 1024);
         final KryoPool kryos = KryoPool.newBuilder()
-                .register(MastershipBasedTimestamp.class)
+                .register(DeviceMastershipBasedTimestamp.class)
                 .build();
 
         kryos.serialize(TS_2_1, buffer);
@@ -80,7 +79,7 @@
     public final void testKryoSerializableWithHandcraftedSerializer() {
         final ByteBuffer buffer = ByteBuffer.allocate(1 * 1024 * 1024);
         final KryoPool kryos = KryoPool.newBuilder()
-                .register(MastershipBasedTimestamp.class, new MastershipBasedTimestampSerializer())
+                .register(DeviceMastershipBasedTimestamp.class, new MastershipBasedTimestampSerializer())
                 .build();
 
         kryos.serialize(TS_1_2, buffer);
diff --git a/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/TimestampedTest.java b/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/TimestampedTest.java
index 4b44d40..2a0faa8 100644
--- a/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/TimestampedTest.java
+++ b/core/store/dist/src/test/java/org/onlab/onos/store/common/impl/TimestampedTest.java
@@ -6,6 +6,7 @@
 
 import org.junit.Test;
 import org.onlab.onos.store.Timestamp;
+import org.onlab.onos.store.Timestamped;
 import org.onlab.util.KryoPool;
 
 import com.google.common.testing.EqualsTester;
@@ -15,9 +16,9 @@
  */
 public class TimestampedTest {
 
-    private static final Timestamp TS_1_1 = new MastershipBasedTimestamp(1, 1);
-    private static final Timestamp TS_1_2 = new MastershipBasedTimestamp(1, 2);
-    private static final Timestamp TS_2_1 = new MastershipBasedTimestamp(2, 1);
+    private static final Timestamp TS_1_1 = new DeviceMastershipBasedTimestamp(1, 1);
+    private static final Timestamp TS_1_2 = new DeviceMastershipBasedTimestamp(1, 2);
+    private static final Timestamp TS_2_1 = new DeviceMastershipBasedTimestamp(2, 1);
 
     @Test
     public final void testHashCode() {
@@ -79,7 +80,7 @@
         final ByteBuffer buffer = ByteBuffer.allocate(1 * 1024 * 1024);
         final KryoPool kryos = KryoPool.newBuilder()
                 .register(Timestamped.class,
-                        MastershipBasedTimestamp.class)
+                        DeviceMastershipBasedTimestamp.class)
                 .build();
 
         Timestamped<String> original = new Timestamped<>("foobar", TS_1_1);
diff --git a/core/store/dist/src/test/java/org/onlab/onos/store/device/impl/GossipDeviceStoreTest.java b/core/store/dist/src/test/java/org/onlab/onos/store/device/impl/GossipDeviceStoreTest.java
index fa42a6b..d1060cc 100644
--- a/core/store/dist/src/test/java/org/onlab/onos/store/device/impl/GossipDeviceStoreTest.java
+++ b/core/store/dist/src/test/java/org/onlab/onos/store/device/impl/GossipDeviceStoreTest.java
@@ -25,7 +25,6 @@
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.ControllerNode.State;
 import org.onlab.onos.cluster.DefaultControllerNode;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.Annotations;
 import org.onlab.onos.net.DefaultAnnotations;
@@ -40,6 +39,7 @@
 import org.onlab.onos.net.device.DeviceEvent;
 import org.onlab.onos.net.device.DeviceStore;
 import org.onlab.onos.net.device.DeviceStoreDelegate;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.onos.store.ClockService;
@@ -113,8 +113,8 @@
         deviceClockManager.activate();
         clockService = deviceClockManager;
 
-        deviceClockManager.setMastershipTerm(DID1, MastershipTerm.of(MYSELF, 1));
-        deviceClockManager.setMastershipTerm(DID2, MastershipTerm.of(MYSELF, 2));
+        deviceClockManager.setMastershipTerm(DID1, DeviceMastershipTerm.of(MYSELF, 1));
+        deviceClockManager.setMastershipTerm(DID2, DeviceMastershipTerm.of(MYSELF, 2));
 
         ClusterCommunicationService clusterCommunicator = new TestClusterCommunicationService();
         ClusterService clusterService = new TestClusterService();
diff --git a/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStore.java b/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStore.java
similarity index 88%
rename from core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStore.java
rename to core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStore.java
index 71d42fa..cdcf84b 100644
--- a/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStore.java
+++ b/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStore.java
@@ -1,6 +1,6 @@
 package org.onlab.onos.store.cluster.impl;
 
-import static org.onlab.onos.cluster.MastershipEvent.Type.MASTER_CHANGED;
+import static org.onlab.onos.net.device.DeviceMastershipEvent.Type.MASTER_CHANGED;
 
 import java.util.Map;
 import java.util.Set;
@@ -12,13 +12,13 @@
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.onos.cluster.ClusterService;
-import org.onlab.onos.cluster.MastershipEvent;
-import org.onlab.onos.cluster.MastershipStore;
-import org.onlab.onos.cluster.MastershipStoreDelegate;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.device.DeviceMastershipEvent;
+import org.onlab.onos.net.device.DeviceMastershipStore;
+import org.onlab.onos.net.device.DeviceMastershipStoreDelegate;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.store.common.AbstractHazelcastStore;
 
 import com.google.common.collect.ImmutableSet;
@@ -32,9 +32,9 @@
  */
 @Component(immediate = true)
 @Service
-public class DistributedMastershipStore
-extends AbstractHazelcastStore<MastershipEvent, MastershipStoreDelegate>
-implements MastershipStore {
+public class DistributedDeviceMastershipStore
+extends AbstractHazelcastStore<DeviceMastershipEvent, DeviceMastershipStoreDelegate>
+implements DeviceMastershipStore {
 
     //arbitrary lock name
     private static final String LOCK = "lock";
@@ -100,7 +100,7 @@
     }
 
     @Override
-    public MastershipEvent setMaster(NodeId nodeId, DeviceId deviceId) {
+    public DeviceMastershipEvent setMaster(NodeId nodeId, DeviceId deviceId) {
         byte [] did = serialize(deviceId);
         byte [] nid = serialize(nodeId);
 
@@ -123,12 +123,12 @@
                     masters.put(did, nid);
                     evict(nid, did);
                     updateTerm(did);
-                    return new MastershipEvent(MASTER_CHANGED, deviceId, nodeId);
+                    return new DeviceMastershipEvent(MASTER_CHANGED, deviceId, nodeId);
                 case NONE:
                     masters.put(did, nid);
                     evict(nid, did);
                     updateTerm(did);
-                    return new MastershipEvent(MASTER_CHANGED, deviceId, nodeId);
+                    return new DeviceMastershipEvent(MASTER_CHANGED, deviceId, nodeId);
                 default:
                     log.warn("unknown Mastership Role {}", role);
                     return null;
@@ -191,21 +191,21 @@
     }
 
     @Override
-    public MastershipTerm getTermFor(DeviceId deviceId) {
+    public DeviceMastershipTerm getTermFor(DeviceId deviceId) {
         byte[] did = serialize(deviceId);
         if ((masters.get(did) == null) ||
                 (terms.get(did) == null)) {
             return null;
         }
-        return MastershipTerm.of(
+        return DeviceMastershipTerm.of(
                 (NodeId) deserialize(masters.get(did)), terms.get(did));
     }
 
     @Override
-    public MastershipEvent setStandby(NodeId nodeId, DeviceId deviceId) {
+    public DeviceMastershipEvent setStandby(NodeId nodeId, DeviceId deviceId) {
         byte [] did = serialize(deviceId);
         byte [] nid = serialize(nodeId);
-        MastershipEvent event = null;
+        DeviceMastershipEvent event = null;
 
         ILock lock = theInstance.getLock(LOCK);
         lock.lock();
@@ -231,10 +231,10 @@
     }
 
     @Override
-    public MastershipEvent relinquishRole(NodeId nodeId, DeviceId deviceId) {
+    public DeviceMastershipEvent relinquishRole(NodeId nodeId, DeviceId deviceId) {
         byte [] did = serialize(deviceId);
         byte [] nid = serialize(nodeId);
-        MastershipEvent event = null;
+        DeviceMastershipEvent event = null;
 
         ILock lock = theInstance.getLock(LOCK);
         lock.lock();
@@ -260,7 +260,7 @@
     }
 
     //helper to fetch a new master candidate for a given device.
-    private MastershipEvent reelect(NodeId current, DeviceId deviceId) {
+    private DeviceMastershipEvent reelect(NodeId current, DeviceId deviceId) {
         byte [] did = serialize(deviceId);
         byte [] nid = serialize(current);
 
@@ -281,7 +281,7 @@
             evict(backup, did);
             Integer term = terms.get(did);
             terms.put(did, ++term);
-            return new MastershipEvent(
+            return new DeviceMastershipEvent(
                     MASTER_CHANGED, deviceId, (NodeId) deserialize(backup));
         }
     }
@@ -320,7 +320,7 @@
 
         @Override
         protected void onAdd(DeviceId deviceId, NodeId nodeId) {
-            notifyDelegate(new MastershipEvent(MASTER_CHANGED, deviceId, nodeId));
+            notifyDelegate(new DeviceMastershipEvent(MASTER_CHANGED, deviceId, nodeId));
         }
 
         @Override
diff --git a/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStoreTest.java b/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStoreTest.java
similarity index 88%
rename from core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStoreTest.java
rename to core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStoreTest.java
index bf1bb38..d993250 100644
--- a/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStoreTest.java
+++ b/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStoreTest.java
@@ -21,12 +21,12 @@
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.ControllerNode.State;
 import org.onlab.onos.cluster.DefaultControllerNode;
-import org.onlab.onos.cluster.MastershipEvent;
-import org.onlab.onos.cluster.MastershipEvent.Type;
-import org.onlab.onos.cluster.MastershipStoreDelegate;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipEvent;
+import org.onlab.onos.net.device.DeviceMastershipStoreDelegate;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
+import org.onlab.onos.net.device.DeviceMastershipEvent.Type;
 import org.onlab.onos.store.common.StoreManager;
 import org.onlab.onos.store.common.StoreService;
 import org.onlab.onos.store.common.TestStoreManager;
@@ -40,7 +40,7 @@
 /**
  * Test of the Hazelcast-based distributed MastershipStore implementation.
  */
-public class DistributedMastershipStoreTest {
+public class DistributedDeviceMastershipStoreTest {
 
     private static final DeviceId DID1 = DeviceId.deviceId("of:01");
     private static final DeviceId DID2 = DeviceId.deviceId("of:02");
@@ -54,8 +54,8 @@
     private static final ControllerNode CN1 = new DefaultControllerNode(N1, IP);
     private static final ControllerNode CN2 = new DefaultControllerNode(N2, IP);
 
-    private DistributedMastershipStore dms;
-    private TestDistributedMastershipStore testStore;
+    private DistributedDeviceMastershipStore dms;
+    private TestDistributedDeviceMastershipStore testStore;
     private KryoSerializer serializationMgr;
     private StoreManager storeMgr;
 
@@ -77,11 +77,11 @@
 
         serializationMgr = new KryoSerializer();
 
-        dms = new TestDistributedMastershipStore(storeMgr, serializationMgr);
+        dms = new TestDistributedDeviceMastershipStore(storeMgr, serializationMgr);
         dms.clusterService = new TestClusterService();
         dms.activate();
 
-        testStore = (TestDistributedMastershipStore) dms;
+        testStore = (TestDistributedDeviceMastershipStore) dms;
     }
 
     @After
@@ -133,7 +133,7 @@
         assertEquals("wrong role for NONE:", MASTER, dms.requestRole(DID1));
         assertTrue("wrong state for store:", !dms.terms.isEmpty());
         assertEquals("wrong term",
-                MastershipTerm.of(N1, 0), dms.getTermFor(DID1));
+                DeviceMastershipTerm.of(N1, 0), dms.getTermFor(DID1));
 
         //CN2 now local. DID2 has N1 as MASTER so N2 is STANDBY
         testStore.setCurrent(CN2);
@@ -143,7 +143,7 @@
         //change term and requestRole() again; should persist
         testStore.increment(DID2);
         assertEquals("wrong role for STANDBY:", STANDBY, dms.requestRole(DID2));
-        assertEquals("wrong term", MastershipTerm.of(N1, 1), dms.getTermFor(DID2));
+        assertEquals("wrong term", DeviceMastershipTerm.of(N1, 1), dms.getTermFor(DID2));
     }
 
     @Test
@@ -155,15 +155,15 @@
 
         //switch over to N2
         assertEquals("wrong event:", Type.MASTER_CHANGED, dms.setMaster(N2, DID1).type());
-        assertEquals("wrong term", MastershipTerm.of(N2, 1), dms.getTermFor(DID1));
+        assertEquals("wrong term", DeviceMastershipTerm.of(N2, 1), dms.getTermFor(DID1));
 
         //orphan switch - should be rare case
         assertEquals("wrong event:", Type.MASTER_CHANGED, dms.setMaster(N2, DID2).type());
-        assertEquals("wrong term", MastershipTerm.of(N2, 0), dms.getTermFor(DID2));
+        assertEquals("wrong term", DeviceMastershipTerm.of(N2, 0), dms.getTermFor(DID2));
         //disconnect and reconnect - sign of failing re-election or single-instance channel
         testStore.reset(true, false, false);
         dms.setMaster(N2, DID2);
-        assertEquals("wrong term", MastershipTerm.of(N2, 1), dms.getTermFor(DID2));
+        assertEquals("wrong term", DeviceMastershipTerm.of(N2, 1), dms.getTermFor(DID2));
     }
 
     @Test
@@ -211,9 +211,9 @@
         //shamelessly copy other distributed store tests
         final CountDownLatch addLatch = new CountDownLatch(1);
 
-        MastershipStoreDelegate checkAdd = new MastershipStoreDelegate() {
+        DeviceMastershipStoreDelegate checkAdd = new DeviceMastershipStoreDelegate() {
             @Override
-            public void notify(MastershipEvent event) {
+            public void notify(DeviceMastershipEvent event) {
                 assertEquals("wrong event:", Type.MASTER_CHANGED, event.type());
                 assertEquals("wrong subject", DID1, event.subject());
                 assertEquals("wrong subject", N1, event.master());
@@ -227,9 +227,9 @@
         assertTrue("Add event fired", addLatch.await(1, TimeUnit.SECONDS));
     }
 
-    private class TestDistributedMastershipStore extends
-            DistributedMastershipStore {
-        public TestDistributedMastershipStore(StoreService storeService,
+    private class TestDistributedDeviceMastershipStore extends
+            DistributedDeviceMastershipStore {
+        public TestDistributedDeviceMastershipStore(StoreService storeService,
                 KryoSerializer kryoSerialization) {
             this.storeService = storeService;
             this.serializer = kryoSerialization;
diff --git a/core/store/hz/net/src/main/java/org/onlab/onos/store/device/impl/NoOpClockProviderService.java b/core/store/hz/net/src/main/java/org/onlab/onos/store/device/impl/NoOpClockProviderService.java
index b68620a..729b01e 100644
--- a/core/store/hz/net/src/main/java/org/onlab/onos/store/device/impl/NoOpClockProviderService.java
+++ b/core/store/hz/net/src/main/java/org/onlab/onos/store/device/impl/NoOpClockProviderService.java
@@ -2,8 +2,8 @@
 
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Service;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.store.ClockProviderService;
 
 // FIXME: Code clone in onos-core-trivial, onos-core-hz-net
@@ -15,6 +15,6 @@
 public class NoOpClockProviderService implements ClockProviderService {
 
     @Override
-    public void setMastershipTerm(DeviceId deviceId, MastershipTerm term) {
+    public void setMastershipTerm(DeviceId deviceId, DeviceMastershipTerm term) {
     }
 }
diff --git a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java
index 0c33cfe..5676cb6 100644
--- a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java
+++ b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java
@@ -7,7 +7,6 @@
 
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.DefaultControllerNode;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.ConnectPoint;
 import org.onlab.onos.net.DefaultAnnotations;
@@ -24,6 +23,7 @@
 import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.device.DefaultDeviceDescription;
 import org.onlab.onos.net.device.DefaultPortDescription;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpPrefix;
@@ -74,7 +74,7 @@
             .register(LinkKey.class, new LinkKeySerializer())
             .register(ConnectPoint.class, new ConnectPointSerializer())
             .register(DefaultLink.class, new DefaultLinkSerializer())
-            .register(MastershipTerm.class, new MastershipTermSerializer())
+            .register(DeviceMastershipTerm.class, new MastershipTermSerializer())
             .register(MastershipRole.class, new MastershipRoleSerializer())
 
             .build();
diff --git a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/MastershipTermSerializer.java b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/MastershipTermSerializer.java
index 0ac61a8..0d0a6b0 100644
--- a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/MastershipTermSerializer.java
+++ b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/MastershipTermSerializer.java
@@ -1,19 +1,20 @@
 package org.onlab.onos.store.serializers;
 
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
+
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
 import com.esotericsoftware.kryo.io.Input;
 import com.esotericsoftware.kryo.io.Output;
 
 /**
- * Kryo Serializer for {@link org.onlab.onos.cluster.MastershipTerm}.
+ * Kryo Serializer for {@link org.onlab.onos.net.device.DeviceMastershipTerm}.
  */
-public class MastershipTermSerializer extends Serializer<MastershipTerm> {
+public class MastershipTermSerializer extends Serializer<DeviceMastershipTerm> {
 
     /**
-     * Creates {@link MastershipTerm} serializer instance.
+     * Creates {@link DeviceMastershipTerm} serializer instance.
      */
     public MastershipTermSerializer() {
         // non-null, immutable
@@ -21,14 +22,14 @@
     }
 
     @Override
-    public MastershipTerm read(Kryo kryo, Input input, Class<MastershipTerm> type) {
+    public DeviceMastershipTerm read(Kryo kryo, Input input, Class<DeviceMastershipTerm> type) {
         final NodeId node = new NodeId(input.readString());
         final int term = input.readInt();
-        return MastershipTerm.of(node, term);
+        return DeviceMastershipTerm.of(node, term);
     }
 
     @Override
-    public void write(Kryo kryo, Output output, MastershipTerm object) {
+    public void write(Kryo kryo, Output output, DeviceMastershipTerm object) {
         output.writeString(object.master().toString());
         output.writeInt(object.termNumber());
     }
diff --git a/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java b/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java
index d651d56..ab9e012 100644
--- a/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java
+++ b/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java
@@ -10,7 +10,6 @@
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.Annotations;
 import org.onlab.onos.net.ConnectPoint;
@@ -25,6 +24,7 @@
 import org.onlab.onos.net.MastershipRole;
 import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.SparseAnnotations;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpPrefix;
@@ -114,7 +114,7 @@
         testSerialized(PID);
         testSerialized(PIDA);
         testSerialized(new NodeId("bar"));
-        testSerialized(MastershipTerm.of(new NodeId("foo"), 2));
+        testSerialized(DeviceMastershipTerm.of(new NodeId("foo"), 2));
         for (MastershipRole role : MastershipRole.values()) {
             testSerialized(role);
         }
diff --git a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java
index ff4b31a..5f3c2ef 100644
--- a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java
+++ b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java
@@ -2,8 +2,8 @@
 
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Service;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.store.ClockProviderService;
 
 //FIXME: Code clone in onos-core-trivial, onos-core-hz-net
@@ -15,6 +15,6 @@
 public class NoOpClockProviderService implements ClockProviderService {
 
     @Override
-    public void setMastershipTerm(DeviceId deviceId, MastershipTerm term) {
+    public void setMastershipTerm(DeviceId deviceId, DeviceMastershipTerm term) {
     }
 }
diff --git a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStore.java b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStore.java
index e8096ea..7f88edb 100644
--- a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStore.java
+++ b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStore.java
@@ -15,18 +15,18 @@
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.DefaultControllerNode;
-import org.onlab.onos.cluster.MastershipEvent;
-import org.onlab.onos.cluster.MastershipStore;
-import org.onlab.onos.cluster.MastershipStoreDelegate;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.device.DeviceMastershipEvent;
+import org.onlab.onos.net.device.DeviceMastershipStore;
+import org.onlab.onos.net.device.DeviceMastershipStoreDelegate;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 import org.onlab.onos.store.AbstractStore;
 import org.onlab.packet.IpPrefix;
 import org.slf4j.Logger;
 
-import static org.onlab.onos.cluster.MastershipEvent.Type.*;
+import static org.onlab.onos.net.device.DeviceMastershipEvent.Type.*;
 
 /**
  * Manages inventory of controller mastership over devices using
@@ -35,8 +35,8 @@
 @Component(immediate = true)
 @Service
 public class SimpleMastershipStore
-        extends AbstractStore<MastershipEvent, MastershipStoreDelegate>
-        implements MastershipStore {
+        extends AbstractStore<DeviceMastershipEvent, DeviceMastershipStoreDelegate>
+        implements DeviceMastershipStore {
 
     private final Logger log = getLogger(getClass());
 
@@ -63,7 +63,7 @@
     }
 
     @Override
-    public MastershipEvent setMaster(NodeId nodeId, DeviceId deviceId) {
+    public DeviceMastershipEvent setMaster(NodeId nodeId, DeviceId deviceId) {
         MastershipRole role = getRole(nodeId, deviceId);
 
         synchronized (this) {
@@ -86,7 +86,7 @@
             }
         }
 
-        return new MastershipEvent(MASTER_CHANGED, deviceId, nodeId);
+        return new DeviceMastershipEvent(MASTER_CHANGED, deviceId, nodeId);
     }
 
     @Override
@@ -164,17 +164,17 @@
     }
 
     @Override
-    public MastershipTerm getTermFor(DeviceId deviceId) {
+    public DeviceMastershipTerm getTermFor(DeviceId deviceId) {
         if ((masterMap.get(deviceId) == null) ||
                 (termMap.get(deviceId) == null)) {
             return null;
         }
-        return MastershipTerm.of(
+        return DeviceMastershipTerm.of(
                 masterMap.get(deviceId), termMap.get(deviceId).get());
     }
 
     @Override
-    public MastershipEvent setStandby(NodeId nodeId, DeviceId deviceId) {
+    public DeviceMastershipEvent setStandby(NodeId nodeId, DeviceId deviceId) {
         MastershipRole role = getRole(nodeId, deviceId);
         synchronized (this) {
             switch (role) {
@@ -185,7 +185,7 @@
                     } else {
                         masterMap.put(deviceId, backup);
                         termMap.get(deviceId).incrementAndGet();
-                        return new MastershipEvent(MASTER_CHANGED, deviceId, backup);
+                        return new DeviceMastershipEvent(MASTER_CHANGED, deviceId, backup);
                     }
                 case STANDBY:
                 case NONE:
@@ -215,7 +215,7 @@
     }
 
     @Override
-    public MastershipEvent relinquishRole(NodeId nodeId, DeviceId deviceId) {
+    public DeviceMastershipEvent relinquishRole(NodeId nodeId, DeviceId deviceId) {
         return setStandby(nodeId, deviceId);
     }
 
diff --git a/core/store/trivial/src/test/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStoreTest.java b/core/store/trivial/src/test/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStoreTest.java
index 1e8e5c7..d3430ca 100644
--- a/core/store/trivial/src/test/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStoreTest.java
+++ b/core/store/trivial/src/test/java/org/onlab/onos/store/trivial/impl/SimpleMastershipStoreTest.java
@@ -6,9 +6,9 @@
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-import org.onlab.onos.cluster.MastershipTerm;
 import org.onlab.onos.cluster.NodeId;
 import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.device.DeviceMastershipTerm;
 
 import com.google.common.collect.Sets;
 
@@ -16,7 +16,7 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.onlab.onos.net.MastershipRole.*;
-import static org.onlab.onos.cluster.MastershipEvent.Type.*;
+import static org.onlab.onos.net.device.DeviceMastershipEvent.Type.*;
 
 /**
  * Test for the simple MastershipStore implementation.
@@ -98,12 +98,12 @@
     @Test
     public void getTermFor() {
         put(DID1, N1, true, true);
-        assertEquals("wrong term", MastershipTerm.of(N1, 0), sms.getTermFor(DID1));
+        assertEquals("wrong term", DeviceMastershipTerm.of(N1, 0), sms.getTermFor(DID1));
 
         //switch to N2 and back - 2 term switches
         sms.setMaster(N2, DID1);
         sms.setMaster(N1, DID1);
-        assertEquals("wrong term", MastershipTerm.of(N1, 2), sms.getTermFor(DID1));
+        assertEquals("wrong term", DeviceMastershipTerm.of(N1, 2), sms.getTermFor(DID1));
     }
 
     @Test
diff --git a/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java b/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java
index 0f69bac..e56a4f9 100644
--- a/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java
+++ b/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java
@@ -1,10 +1,5 @@
 package org.onlab.onos.openflow.controller;
 
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.util.Collections;
-import java.util.concurrent.atomic.AtomicBoolean;
-
 import org.onlab.packet.Ethernet;
 import org.projectfloodlight.openflow.protocol.OFPacketIn;
 import org.projectfloodlight.openflow.protocol.OFPacketOut;
@@ -13,12 +8,12 @@
 import org.projectfloodlight.openflow.protocol.match.MatchField;
 import org.projectfloodlight.openflow.types.OFBufferId;
 import org.projectfloodlight.openflow.types.OFPort;
-import org.slf4j.Logger;
+
+import java.util.Collections;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 public final class DefaultOpenFlowPacketContext implements OpenFlowPacketContext {
 
-    private final Logger log = getLogger(getClass());
-
     private final AtomicBoolean free = new AtomicBoolean(true);
     private final AtomicBoolean isBuilt = new AtomicBoolean(false);
     private final OpenFlowSwitch sw;
@@ -82,7 +77,7 @@
     }
 
     public static OpenFlowPacketContext packetContextFromPacketIn(OpenFlowSwitch s,
-            OFPacketIn pkt) {
+                                                                  OFPacketIn pkt) {
         return new DefaultOpenFlowPacketContext(s, pkt);
     }
 
diff --git a/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/Controller.java b/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/Controller.java
index 53ad55f..168c06d 100644
--- a/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/Controller.java
+++ b/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/Controller.java
@@ -157,9 +157,7 @@
         }
         log.debug("OpenFlow port set to {}", this.openFlowPort);
         String threads = configParams.get("workerthreads");
-        if (threads != null) {
-            this.workerThreads = Integer.parseInt(threads);
-        }
+        this.workerThreads = threads != null ? Integer.parseInt(threads) : 16;
         log.debug("Number of worker threads set to {}", this.workerThreads);
     }
 
diff --git a/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/OpenFlowControllerImpl.java b/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/OpenFlowControllerImpl.java
index 716f7ec..685ee9c 100644
--- a/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/OpenFlowControllerImpl.java
+++ b/openflow/ctl/src/main/java/org/onlab/onos/openflow/controller/impl/OpenFlowControllerImpl.java
@@ -44,7 +44,6 @@
     private final ExecutorService executor = Executors.newFixedThreadPool(16,
             namedThreads("of-event-%d"));
 
-
     protected ConcurrentHashMap<Dpid, OpenFlowSwitch> connectedSwitches =
             new ConcurrentHashMap<Dpid, OpenFlowSwitch>();
     protected ConcurrentHashMap<Dpid, OpenFlowSwitch> activeMasterSwitches =
diff --git a/providers/openflow/packet/src/main/java/org/onlab/onos/provider/of/packet/impl/OpenFlowCorePacketContext.java b/providers/openflow/packet/src/main/java/org/onlab/onos/provider/of/packet/impl/OpenFlowCorePacketContext.java
index e7c4443..71ddb0d 100644
--- a/providers/openflow/packet/src/main/java/org/onlab/onos/provider/of/packet/impl/OpenFlowCorePacketContext.java
+++ b/providers/openflow/packet/src/main/java/org/onlab/onos/provider/of/packet/impl/OpenFlowCorePacketContext.java
@@ -1,9 +1,5 @@
 package org.onlab.onos.provider.of.packet.impl;
 
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.util.List;
-
 import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.flow.instructions.Instruction;
 import org.onlab.onos.net.flow.instructions.Instruction.Type;
@@ -14,16 +10,16 @@
 import org.onlab.onos.openflow.controller.OpenFlowPacketContext;
 import org.onlab.packet.Ethernet;
 import org.projectfloodlight.openflow.types.OFPort;
-import org.slf4j.Logger;
+
+import java.util.List;
 
 public class OpenFlowCorePacketContext extends DefaultPacketContext {
 
-    private final Logger log = getLogger(getClass());
-
     private final OpenFlowPacketContext ofPktCtx;
 
     protected OpenFlowCorePacketContext(long time, InboundPacket inPkt,
-            OutboundPacket outPkt, boolean block, OpenFlowPacketContext ofPktCtx) {
+                                        OutboundPacket outPkt, boolean block,
+                                        OpenFlowPacketContext ofPktCtx) {
         super(time, inPkt, outPkt, block);
         this.ofPktCtx = ofPktCtx;
     }
@@ -36,9 +32,8 @@
             } else {
                 Ethernet eth = new Ethernet();
                 eth.deserialize(outPacket().data().array(), 0,
-                        outPacket().data().array().length);
+                                outPacket().data().array().length);
                 sendPacket(eth);
-
             }
 
         }
@@ -61,6 +56,7 @@
         }
         ofPktCtx.send();
     }
+
     private OFPort buildPort(PortNumber port) {
         return OFPort.of((int) port.toLong());
     }