From DeveloperWorks, What’s new in WebSphere Message Broker V6.1
This article introduces the major enhancements WebSphere Message Broker V6.1, and provides references to related resources, and describes technical aspects of V6.1 that are of interest to
architects, message flow designers, and developers. Readers should have some knowledge of WebSphere Message Broker concepts and features.
I haven’t done much work in Message Broker v6.1 but I know theres a ton of people out there that do. Read the article to find out more about v6.1 of IBM “Advanced ESB”.