Other protocols

There are many other messaging protocols in use or proposed for IoT and M2M deployments. By far the most prevalent are MQTT and CoAP; the next sections explore a few alternatives for specific use cases.

STOMP

STOMP stands for Simple (or Streaming) Text Message-Oriented Middleware Protocol. It is a text-based protocol designed by Codehaus to operate with message-oriented middleware. A broker developed in one programming language can receive messages from a client written in another. The protocol has similarities to HTTP and operates over TCP. STOMP consists of a frame header and a frame body. The current specification is STOMP 1.2, dated October 22, 2012, and is available under a free license.

It is different from many protocols presented as it does not deal with subscription topics or queues. It simply uses HTTP-like semantics such as SEND with a destination string. A broker must dissect the message and map to a topic or queue for the client. A consumer of the data will SUBSCRIBE...