http://jbossesb.blogspot.com/2007/08/service-clustering.html for some back ground info on this. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4077511#4077511 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4077511