Description
CS01:
MQTT Version 3.1.1
Committee Specification 01
18 May 2014
http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/cs01/mqtt-v3.1.1-cs01.doc
http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/cs01/mqtt-v3.1.1-cs01.html
http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/cs01/mqtt-v3.1.1-cs01.pdf