Forward the specified client REQUEST to the other replicas on this node

        :param request: the REQUEST to propagate

def forward(self, request: Request):
        """
        Forward the specified client REQUEST to the other replicas on this node

        :param request: the REQUEST to propagate
        """
        key = request.key
        num_replicas = self.replicas.num_replicas
        logger.debug('{} forwarding request {} to {} replicas'
                     .format(self, key, num_replicas))
        self.replicas.pass_message(ReqKey(key))
        self.monitor.requestUnOrdered(key)
        self.requests.mark_as_forwarded(request, num_replicas)