code: def indication(self, pdu):
          
          if _debug: UDPDirector._debug("indication %r", pdu)
  
          # get the destination
          addr = pdu.pduDestination
  
          # get the peer
          peer = self.peers.get(addr, None)
          if not peer:
              peer = self.actorClass(self, addr)
  
          # send the message
          peer.indication(pdu)
docs: Client requests are queued for delivery.