Members of the OASIS Message Queuing Telemetry Transport (MQTT) TC  have recently approved a Special Majority Ballot  to advance MQTT Version 3.1.1 as a Candidate OASIS Standard (COS). The COS now enters a 60-day public review period in preparation for a member ballot to consider its approval as an OASIS Standard.
MQTT Version 3.1.1
Candidate OASIS Standard 01
05 June 2014
MQTT is a Client Server publish/subscribe messaging transport protocol. It is light weight, open, simple, and designed so as to be easy to implement. These characteristics make it ideal for use in many situations, including constrained environments such as for communication in Machine to Machine (M2M) and Internet of Things (IoT) contexts where a small code footprint is required and/or network bandwidth is at a premium.
Public Review Period:
The 60-day public review starts 07 July 2014 at 00:00 GMT and ends 04 September 2014 at 23:59 GMT.
This is an open invitation to comment. OASIS solicits feedback from potential users, developers and others, whether OASIS members or not, for the sake of improving the interoperability and quality of its technical work.
The prose specification document and related files are available here:
Editable source (Authoritative):
ZIP distribution file (complete):
For your convenience, OASIS provides a complete package of the prose specification and related files in a ZIP distribution file. You can download the ZIP file here:
Additional information about the specification and the OASIS Message Queuing Telemetry Transport (MQTT) TC may be found at the TC's public home page:
Comments may be submitted to the TC by any person through the use of the OASIS TC Comment Facility as explained in the instructions located via the button labeled "Send A Comment" at the top of the TC public home page, or directly at:
Comments submitted by TC non-members for this work and for other work of this TC are publicly archived and can be viewed at:
All comments submitted to OASIS are subject to the OASIS Feedback License, which ensures that the feedback you provide carries the same obligations at least as the obligations of the TC members. In connection with this public review of MQTT Version 3.1.1, we call your attention to the OASIS IPR Policy  applicable especially  to the work of this technical committee. All members of the TC should be familiar with this document, which may create obligations regarding the disclosure and availability of a member's patent, copyright, trademark and license rights that read on an approved OASIS specification.
OASIS invites any persons who know of any such claims to disclose these if they may be essential to the implementation of the above specification, so that notice of them may be posted to the notice page for this TC's work.
 OASIS Message Queuing Telemetry Transport (MQTT) TC