pub_socket.setsockopt(ZMQ_SNDHWM, &HWM, sizeof(HWM)); pub_socket.setsockopt(ZMQ_RCVHWM, &HWM, sizeof(HWM)); pub_socket.bind("tcp://*:9876"); zmq::socket_t sub_socket (context, ZMQ_PAIR); sub_socket.setsockopt(ZMQ_RCVHWM, &HWM, sizeof(HWM)); sub_socket.setsockopt(ZMQ_SNDHWM, &...