On Wed, 9 Mar 2005 16:25:34 -0000, Iain Hanson <Iain.Hanson@videonetworks.com> wrote:
In most, if not all messaging systems you do have connect to an end point. The remote server provides various QoS and you need to register your subject or channel and whether you are a push or a pull publisher. Oh 8-) I think I'm re-inventing the CORBA Notification service. What a surprise.
This is not how TIBCO RV works. You need to connect to the RV daemon (which can be auto-started on your local host) but you do not need to pre-register anything if you're using the normal "reliable" QoS. There is no direct communication between subscribers and the publisher. If a subscriber (or really its RV daemon) detects a gap in sequence, it will request a retransmission automatically and, if the message is still in-core on the sender side, the sending RVD will resend it. I'd call this NAK-based processing and it is overall quite effective. With their Certified Messaging protocol, however, each subscriber registers with the publisher and must ACK each message. -- Caleb Epstein caleb dot epstein at gmail dot com