adithyvisnu

MQTT stands for MQ Telemetry Transport. 
   - [https://github.com/mqtt/mqtt.github.io/wiki] It is a publish/subscribe, extremely simple and lightweight messaging protocol, designed for constrained devices and low-bandwidth, high-latency or unreliable networks
   - [http://www.steves-internet-guide.com/understanding-mqtt-qos-levels-part-1/] QoS => Quality of Service