> > If the connection goes down, all
> > remote subscriptions for the specific routers are deleted, except
> there is
> > a static route for those routers. Then they will survive and messages
> will
> > be stored and forwarded on the next connect. A local router never
> stores
> > remote subscription information persistently, hence, on startup, it
> > doesn't know anything about remote durable subscribers. It gets this
> > information on the first connect to the remote router.
>
> So if I have a router network made up of 20 routers, and supposing that
> each
> location has at least one durable subscription, if a single router goes
> down, do the other 19 routers now store ALL newly published messages
> since
> it's possible that any one of them may be required in a durable
> subscription
> at that downed router?
The router where the message will be published on (where the publisher is
connected to) is important. *That* router sends out one copy to every
router which has a at least one remote subscription on that topic. If one
router with a durable subscription goes down, then messages are stored in
the routing queue when there is a static route for that router, otherwise
not.
--
Andreas Mueller, IIT GmbH, Bremen/Germany, http://www.iit.de
SwiftMQ - JMS Enterprise Messaging System, http://www.swiftmq.com
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