Hm, its a little bit dissapointing that nobody wants to answer to my post. Just one more thing to this evaluation. Based on this evaluation my company will decide wish of the two techniques will be used in the future project. This project won't be a small one. Pherhaps there will be 500000 messages per day running over the ESB. greets Goldi View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4027076#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...