The FD/FD_SOCK stuff would be the same, as would be the concept of handlin g the view change notification asynchronously. But, I think your question was more directed toward the Option API, and it looks like PojoCacheMBean doesn't expose overloaded getObject(). putObject(), removeObject() methods that take an Option. So that doesn't help you :(. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3974225#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...