code: def add_peer(self, peer_addr):
          "Build a connection to the Hub at a given ``(host, port)`` address"
          peer = connection.Peer(
                  self._ident, self._dispatcher, peer_addr, backend.Socket())
          peer.start()
          self._started_peers[peer_addr] = peef add_peer(self, peer_addr):
          "Build a connection to the Hub at a given ``(host, port)`` address"
          peer = connection.Peer(
                  self._ident, self._dispatcher, peer_addr, backend.Socket())
          peer.start()
          self._started_peers[peer_addr] = peer
docs: Build a connection to the Hub at a given ``(host, port)`` address