JGroups 2.6.2 with TCP transport (we had NAK/ACK issues with UDP). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4149724#4149724 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4149724