说明：  MQTT（Message Queuing Telemetry Transport，消息队列遥测传输）是IBM开发的一个即时通讯协议，有可能成为物联网的重要组成部分。该协议支持所有平台，几乎可以把所有联网物品和外部连接起来，被用来当做传感器和制动器（比如通过Twitter让房屋联网）的通信协议。
(Message queue telemetry transmission) is an instant messaging protocol developed by IBM and is likely to become an important part of the Internet of things. The protocol supports all platforms, and almost connects all the networked goods and the outside. It is used as a communication protocol for sensors and brakes, such as building the Internet through Twitter.)