diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/ExtraNetworkConfigs.java b/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/ExtraNetworkConfigs.java
index 7a8eacf..5886078 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/ExtraNetworkConfigs.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/ExtraNetworkConfigs.java
@@ -16,11 +16,11 @@
 package org.onosproject.incubator.net.config.impl;
 
 import com.google.common.collect.ImmutableSet;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onosproject.net.config.ConfigFactory;
 import org.onosproject.net.config.NetworkConfigRegistry;
 import org.slf4j.Logger;
@@ -38,7 +38,7 @@
 
     private final Set<ConfigFactory> factories = ImmutableSet.of();
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected NetworkConfigRegistry registry;
 
     @Activate
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/domain/impl/IntentDomainManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/domain/impl/IntentDomainManager.java
index 553fb0f..5d0270b 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/domain/impl/IntentDomainManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/domain/impl/IntentDomainManager.java
@@ -17,10 +17,6 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.incubator.net.domain.IntentDomain;
 import org.onosproject.incubator.net.domain.IntentDomainEvent;
 import org.onosproject.incubator.net.domain.IntentDomainId;
@@ -35,6 +31,9 @@
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.provider.AbstractListenerProviderRegistry;
 import org.onosproject.net.provider.AbstractProviderService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -46,8 +45,7 @@
 /**
  * Implementation of the intent domain service.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = {IntentDomainService.class, IntentDomainProviderRegistry.class})
 public class IntentDomainManager
         extends AbstractListenerProviderRegistry<IntentDomainEvent, IntentDomainListener,
                     IntentDomainProvider, IntentDomainProviderService>
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/dpi/impl/DpiStatisticsManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/dpi/impl/DpiStatisticsManager.java
index b49c9cb..8aa02ec 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/dpi/impl/DpiStatisticsManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/dpi/impl/DpiStatisticsManager.java
@@ -17,14 +17,6 @@
 package org.onosproject.incubator.net.dpi.impl;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
 import org.onosproject.incubator.net.dpi.DpiStatInfo;
@@ -34,6 +26,11 @@
 import org.onosproject.incubator.net.dpi.ProtocolStatInfo;
 import org.onosproject.incubator.net.dpi.TrafficStatInfo;
 import org.osgi.service.component.ComponentContext;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.io.BufferedReader;
@@ -63,8 +60,7 @@
 /**
  * DPI Statistics Manager.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = DpiStatisticsManagerService.class)
 public class DpiStatisticsManager implements DpiStatisticsManagerService {
 
     private ServerSocket serverSocket;
@@ -72,7 +68,7 @@
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
     private ApplicationId appId;
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/impl/PortStatisticsManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/impl/PortStatisticsManager.java
index c92bfea..e63fc9c 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/impl/PortStatisticsManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/impl/PortStatisticsManager.java
@@ -16,12 +16,6 @@
 package org.onosproject.incubator.net.impl;
 
 import com.google.common.collect.Maps;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.incubator.net.PortStatisticsService;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
@@ -31,20 +25,26 @@
 import org.onosproject.net.device.PortStatistics;
 import org.onosproject.net.statistic.DefaultLoad;
 import org.onosproject.net.statistic.Load;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Map;
 import java.util.stream.Collectors;
 
 import static org.onosproject.net.PortNumber.portNumber;
-import static org.onosproject.net.device.DeviceEvent.Type.*;
+import static org.onosproject.net.device.DeviceEvent.Type.DEVICE_AVAILABILITY_CHANGED;
+import static org.onosproject.net.device.DeviceEvent.Type.DEVICE_REMOVED;
+import static org.onosproject.net.device.DeviceEvent.Type.PORT_STATS_UPDATED;
 import static org.slf4j.LoggerFactory.getLogger;
 
 /**
  * Implementation of the port statistics service.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = PortStatisticsService.class)
 public class PortStatisticsManager implements PortStatisticsService {
 
     private final Logger log = getLogger(getClass());
@@ -53,7 +53,7 @@
     private static final long STALE_LIMIT = (long) (1.5 * POLL_FREQUENCY);
     private static final int SECOND = 1_000; // milliseconds
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceService deviceService;
 
     private final DeviceListener deviceListener = new InternalDeviceListener();
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/resource/label/impl/LabelResourceManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/resource/label/impl/LabelResourceManager.java
index 56c308e..04fb709 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/resource/label/impl/LabelResourceManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/resource/label/impl/LabelResourceManager.java
@@ -16,13 +16,6 @@
 package org.onosproject.incubator.net.resource.label.impl;
 
 import com.google.common.collect.Multimap;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onosproject.net.provider.AbstractListenerProviderRegistry;
 import org.onosproject.incubator.net.resource.label.LabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
 import org.onosproject.incubator.net.resource.label.LabelResourceDelegate;
@@ -41,7 +34,13 @@
 import org.onosproject.net.device.DeviceEvent.Type;
 import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.provider.AbstractListenerProviderRegistry;
 import org.onosproject.net.provider.AbstractProviderService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Collection;
@@ -55,8 +54,7 @@
  * provides implementation of the label resource NB &amp; SB APIs.
  *
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = {LabelResourceService.class, LabelResourceAdminService.class, LabelResourceProviderRegistry.class})
 public class LabelResourceManager
         extends AbstractListenerProviderRegistry<LabelResourceEvent, LabelResourceListener,
                                                  LabelResourceProvider, LabelResourceProviderService>
@@ -64,10 +62,10 @@
     private final Logger log = getLogger(getClass());
     private final LabelResourceDelegate delegate = new InternalLabelResourceDelegate();
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected LabelResourceStore store;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceService deviceService;
 
     private DeviceListener deviceListener = new InternalDeviceListener();
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/tunnel/impl/TunnelManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/tunnel/impl/TunnelManager.java
index 2c1f79b..0d05c92 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/tunnel/impl/TunnelManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/tunnel/impl/TunnelManager.java
@@ -15,13 +15,6 @@
  */
 package org.onosproject.incubator.net.tunnel.impl;
 
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onosproject.net.provider.AbstractListenerProviderRegistry;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel;
@@ -45,8 +38,14 @@
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.ElementId;
 import org.onosproject.net.Path;
+import org.onosproject.net.provider.AbstractListenerProviderRegistry;
 import org.onosproject.net.provider.AbstractProviderService;
 import org.onosproject.net.provider.ProviderId;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Collection;
@@ -59,8 +58,7 @@
 /**
  * Provides implementation of the tunnel NB/SB APIs.
  */
-@Component(immediate = true, enabled = true)
-@Service
+@Component(immediate = true, service = {TunnelService.class, TunnelAdminService.class, TunnelProviderRegistry.class})
 public class TunnelManager
         extends AbstractListenerProviderRegistry<TunnelEvent, TunnelListener,
                                                  TunnelProvider, TunnelProviderService>
@@ -73,7 +71,7 @@
 
     private final TunnelStoreDelegate delegate = new InternalStoreDelegate();
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected TunnelStore store;
 
 
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java
index 2343b3e..e8da5cb 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManager.java
@@ -17,12 +17,6 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onlab.osgi.DefaultServiceDirectory;
 import org.onlab.osgi.ServiceDirectory;
 import org.onlab.packet.IpAddress;
@@ -73,6 +67,11 @@
 import org.onosproject.net.provider.AbstractProviderService;
 import org.onosproject.net.topology.PathService;
 import org.onosproject.net.topology.TopologyService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -86,13 +85,16 @@
 /**
  * Implementation of the virtual network service.
  */
-@Component(immediate = true)
-@Service
+@Component(service = {
+                   VirtualNetworkService.class,
+                   VirtualNetworkAdminService.class,
+                   VirtualNetworkService.class,
+                   VirtualNetworkProviderRegistry.class
+            })
 public class VirtualNetworkManager
         extends AbstractListenerProviderRegistry<VirtualNetworkEvent,
         VirtualNetworkListener, VirtualNetworkProvider, VirtualNetworkProviderService>
-        implements VirtualNetworkService, VirtualNetworkAdminService,
-        VirtualNetworkProviderRegistry {
+        implements VirtualNetworkService, VirtualNetworkAdminService, VirtualNetworkProviderRegistry {
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 
@@ -104,10 +106,10 @@
     private static final String VIRTUAL_NETWORK_APP_ID_STRING =
             "org.onosproject.virtual-network";
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualNetworkStore store;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
     private VirtualNetworkStoreDelegate delegate = this::post;
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProvider.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProvider.java
index 8e497e8..436e1d4 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProvider.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProvider.java
@@ -23,13 +23,6 @@
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import com.google.common.collect.Table;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Modified;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onlab.packet.VlanId;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -56,8 +49,6 @@
 import org.onosproject.net.flow.DefaultTrafficTreatment;
 import org.onosproject.net.flow.FlowEntry;
 import org.onosproject.net.flow.FlowRule;
-import org.onosproject.net.flow.oldbatch.FlowRuleBatchEntry;
-import org.onosproject.net.flow.oldbatch.FlowRuleBatchOperation;
 import org.onosproject.net.flow.FlowRuleEvent;
 import org.onosproject.net.flow.FlowRuleListener;
 import org.onosproject.net.flow.FlowRuleOperations;
@@ -69,9 +60,17 @@
 import org.onosproject.net.flow.criteria.PortCriterion;
 import org.onosproject.net.flow.instructions.Instruction;
 import org.onosproject.net.flow.instructions.Instructions;
+import org.onosproject.net.flow.oldbatch.FlowRuleBatchEntry;
+import org.onosproject.net.flow.oldbatch.FlowRuleBatchOperation;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.topology.TopologyService;
 import org.osgi.service.component.ComponentContext;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Modified;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Dictionary;
@@ -91,8 +90,7 @@
  * This virtualize and de-virtualize virtual flow rules into physical flow rules.
  * {@link org.onosproject.net.flow.FlowRule}
  */
-@Component(immediate = true)
-@Service
+@Component(service = VirtualFlowRuleProvider.class)
 public class DefaultVirtualFlowRuleProvider extends AbstractVirtualProvider
         implements VirtualFlowRuleProvider {
 
@@ -100,22 +98,22 @@
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected TopologyService topologyService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualNetworkService vnService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected FlowRuleService flowRuleService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceService deviceService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualProviderRegistryService providerRegistryService;
 
     private InternalRoutingAlgorithm internalRoutingAlgorithm;
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualGroupProvider.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualGroupProvider.java
index 66657bc..7cc86cc 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualGroupProvider.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualGroupProvider.java
@@ -16,13 +16,6 @@
 
 package org.onosproject.incubator.net.virtual.impl.provider;
 
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Modified;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.incubator.net.virtual.NetworkId;
 import org.onosproject.incubator.net.virtual.provider.AbstractVirtualProvider;
 import org.onosproject.incubator.net.virtual.provider.VirtualGroupProvider;
@@ -35,6 +28,12 @@
 import org.onosproject.net.group.GroupService;
 import org.onosproject.net.provider.ProviderId;
 import org.osgi.service.component.ComponentContext;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Modified;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import static org.slf4j.LoggerFactory.getLogger;
@@ -42,17 +41,16 @@
 /**
  * Provider to handle Group for virtual network.
  */
-@Component(immediate = true)
-@Service
+@Component(service = VirtualGroupProvider.class)
 public class DefaultVirtualGroupProvider extends AbstractVirtualProvider
         implements VirtualGroupProvider {
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualProviderRegistryService providerRegistryService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected GroupService groupService;
 
     private InternalGroupEventListener internalGroupEventListener;
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualMeterProvider.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualMeterProvider.java
index 69639de..26462ad 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualMeterProvider.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualMeterProvider.java
@@ -20,12 +20,6 @@
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.RemovalCause;
 import com.google.common.cache.RemovalNotification;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.incubator.net.virtual.NetworkId;
 import org.onosproject.incubator.net.virtual.provider.AbstractVirtualProvider;
@@ -41,6 +35,11 @@
 import org.onosproject.net.meter.MeterOperations;
 import org.onosproject.net.meter.MeterService;
 import org.onosproject.net.provider.ProviderId;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.concurrent.TimeUnit;
@@ -51,8 +50,7 @@
 /**
  * Provider to handle meters for virtual networks.
  */
-@Component(immediate = true)
-@Service
+@Component(service = VirtualMeterProvider.class)
 public class DefaultVirtualMeterProvider extends AbstractVirtualProvider
         implements VirtualMeterProvider {
 
@@ -60,10 +58,10 @@
 
     static final long TIMEOUT = 30;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualProviderRegistryService providerRegistryService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected MeterService meterService;
 
     private MeterListener internalMeterListener;
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualNetworkProvider.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualNetworkProvider.java
index be08685..3860dee 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualNetworkProvider.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualNetworkProvider.java
@@ -16,12 +16,6 @@
 
 package org.onosproject.incubator.net.virtual.impl.provider;
 
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.incubator.net.virtual.DefaultVirtualLink;
 import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProvider;
 import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProviderRegistry;
@@ -36,6 +30,11 @@
 import org.onosproject.net.topology.TopologyEvent;
 import org.onosproject.net.topology.TopologyListener;
 import org.onosproject.net.topology.TopologyService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.HashSet;
@@ -49,19 +48,18 @@
 /**
  * Virtual network topology provider.
  */
-@Component(immediate = true)
-@Service
+@Component(service = VirtualNetworkProvider.class)
 public class DefaultVirtualNetworkProvider
         extends AbstractProvider implements VirtualNetworkProvider {
 
     private final Logger log = getLogger(DefaultVirtualNetworkProvider.class);
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualNetworkProviderRegistry providerRegistry;
 
     private VirtualNetworkProviderService providerService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected TopologyService topologyService;
 
     protected TopologyListener topologyListener = new InternalTopologyListener();
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualPacketProvider.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualPacketProvider.java
index 2d01774..16c8187 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualPacketProvider.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualPacketProvider.java
@@ -17,12 +17,12 @@
 package org.onosproject.incubator.net.virtual.impl.provider;
 
 import com.google.common.collect.Sets;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Modified;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Modified;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onlab.packet.Ethernet;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -67,7 +67,7 @@
 
 import static org.slf4j.LoggerFactory.getLogger;
 
-@Component(immediate = true)
+@Component(service = VirtualPacketProvider.class)
 public class DefaultVirtualPacketProvider extends AbstractVirtualProvider
         implements VirtualPacketProvider {
 
@@ -76,16 +76,16 @@
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected PacketService packetService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualNetworkAdminService vnaService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected VirtualProviderRegistryService providerRegistryService;
 
     private final VirtualNetworkListener virtualNetListener = new InternalVirtualNetworkListener();
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualProviderManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualProviderManager.java
index 77cac78..ebd87ea 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualProviderManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualProviderManager.java
@@ -17,14 +17,13 @@
 package org.onosproject.incubator.net.virtual.impl.provider;
 
 import com.google.common.collect.ImmutableSet;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Service;
 import org.onosproject.incubator.net.virtual.NetworkId;
 import org.onosproject.incubator.net.virtual.provider.VirtualProvider;
 import org.onosproject.incubator.net.virtual.provider.VirtualProviderRegistryService;
 import org.onosproject.incubator.net.virtual.provider.VirtualProviderService;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.provider.ProviderId;
+import org.osgi.service.component.annotations.Component;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -40,10 +39,8 @@
 /**
  * Implementation of the virtual provider registry and providerService registry service.
  */
-@Component(immediate = true)
-@Service
-public class VirtualProviderManager
-        implements VirtualProviderRegistryService {
+@Component(service = VirtualProviderRegistryService.class)
+public class VirtualProviderManager implements VirtualProviderRegistryService {
 
     private final Map<ProviderId, VirtualProvider> providers = new HashMap<>();
     private final Map<ProviderId, VirtualProviderService> servicesWithProvider = new HashMap<>();