The fact that all regions where not online at the same time wouldn't be a problem. When a new store comes in, it could retrieve the state from a persistent store or from another node in the cluster. How many retail branches are we talking about here? What type of data would these retail branches share? What type of network links the different branches? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240923#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...