"kurt.stam(a)jboss.com" wrote : Sure but my point is that this should be hidden from the client. And that it is "along the lines of UDDI v3". It depends who the client is then. I'm not suggesting this is visible to the application developer. But it needs to be visible to the component that interacts with the registry implementation. In my example, that would be the JAX-R client stub. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4024383#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...