if you can incorporate AMQ, then you can use http://activemq.apache.org/message-groups.html message groups to do exclusive threading/ordering of groups of messages...
----- Ben O'Day IT Consultant -http://benoday.blogspot.com -- View this message in context: http://camel.465427.n5.nabble.com/Synchronization-based-on-correlation-identifier-tp4375638p4377451.html Sent from the Camel - Users mailing list archive at Nabble.com.