MQTT is an IBM-developed protocol for real-time messaging that could become a keystone of the emerging Internet of Things. As the BBC explained recently, MQTT (which stands for Message Queuing Telemetry Transport) is "a platform-agnostic system which can connect almost any networked object to the wider world." MQTT is used as a messaging protocol for sensor and actuator solutions - for example in the house that twitters, which we covered earlier this week.
Here is the URL for this bookmark: http://www.readwriteweb.com/archives/mqtt_poised_for_big_growth.php
An interesting article that talks about MQTT. You can get started with MQTT with Lotus Expeditor or WebSphere Message Broker along with IA92 and IA93 support Pacs.