Join the webcast on " Multicast in WebSphere MQ V7.1 " on 22 May 2012 organized by WebSphere Support Technical Exchange .
You can read about the new Multicast function on WebSphere MQ here:
Getting started with multicast
Basic configuration and usage of WebSphere MQ 7.1 Multicast
Webcast replay: Multicast in WebSphere MQ V7.1