With SwiftMQ you can link Routers (MQ servers) which enables you to connect to (say) Router A and send a message addressed to Router B. If there is no current connection to B (network is down), the message is stored locally at A.
When A sees a route to B (network is back) it automatically sends it on. This is really good if you're not 100% confident in your network connectivity (dial up).
Is there a similar mechanism in JBossMQ?
Not yet.. Anybody wnt to implement this???