Please note that the JBoss 5 version zip contains only the Stack and the Multiplexer, no JAIN SLEE Resource Adaptors or Examples are included. If you want to try the new Mobicents JAIN SLEE 2.x version (which runs on JBoss 5) and it's Diameter Resource Adaptors and Examples, you'll need to build them from source, which can be found in the SVN trunk.
Summing it up, you now get a more stable Diameter in 2 flavors (JBoss 4 & JBoss 5), the ability to configure the stack in realtime (add/remove realms, add/remove peers, manage timeouts, etc...), a new example of how to play with Cx/Dx (which will be the basis for the HSS prototype) plus the user guide to help you play with all of it!
A special thanks to Jared Morgan and Tom Wells for the extra effort on the documentation!
Alexandre is a member of the JBoss Research & Development (R&D) core team currently working on the open source VoIP middleware project Mobicents, mostly involved in JAIN-SLEE and Diameter development.
Alexandre graduated in Computer Science at the New University of Lisbon.