/**
 * Publishes all registered local actor as a remote ref on all
 * linked remote registries
 */
trait InlifeActorRefsDistribution extends RegistryActor{

  override def specificMessageHandler = {
    case ActorRegistered(actor) =>
      log.debug("Actor [%s] is registered" format(actor))
      registerOnLinks(actor)

    case ActorUnregistered(actor) =>
      log.debug("Actor [%s] is unregistered" format(actor))
      if(isActorLocal(actor))
        actor.id match {
          case REGISTRY_ACTOR => ActorRegistry.foreach(act =>
              if(act.getClass.isAssignableFrom(classOf[LocalActorRef]))
                unregisterOnLinks(act))
              case _ => unregisterOnLinks(actor)
            }
        }

      /**
       * Makes the actor remote, and registers at remote nodes
       */
      private def registerOnLinks(actor: ActorRef) =
        if(isActorLocal(actor)){
          ...
          val iterator = linkedRegistries.values.iterator
          while(iterator.hasNext) iterator.next ! RegisterActor(actor)
        }

  ...

  }