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From "James Strachan" <>
Subject Re: network of brokers with embedded endpoints
Date Tue, 08 Aug 2006 09:42:35 GMT
Create your embedded brokers configured to store and forward to remote
brokers then run one or two remote brokers to act as the hub of your
federated network.

Use the XML to configure the network...

On 8/7/06, John Russell <> wrote:
> I have been reading the documentation on the main site and digging
> through the forums for a while now.  I think I have figured out the
> deployment type I need but I am having trouble figuring out how to
> configure it.  Help would be greatly appreciated.
> Requirements:
> - Many components communicate with each other through JMS messages.
> They can be co-located in the same JVM or on separate boxes.
> - Reliable message delivery and fault tolerance.
> What I think I need for deployment:
> - Network of brokers to allow for scaling up by adding brokers.
> - DemandForwardingBridge on all brokers to only forward messages when
> consumers are subscribed to the topics.
> - Embedded vm:// broker in each JVM where all co-located
> component's messages are delivered in memory if no-one off box is
> subscribed and have the embedded broker forward messages off box to
> the central brokers for message forwarding.
> Note that I don't think I want peer brokers where all the embedded
> brokers talk to each other.  I want embedded ones which then connect
> to a network cloud of brokers which do their magic and deliver
> messages to other components.
> What I have now:
> - Connection configured by passing a url to the
> ActiveMQConnectionFactory object.  I can get all the components in the
> same JVM to talk using vm://localhost where the first connection
> started creates the embedded broker.  Wonderful.
> I can also get components on different boxes to talk by having a
> separate activeMQ process running and using the tcp://<hostname>:61616
> url.  However, this sends all messages, even intra-JVM messages out to
> the broker.
> I can't seem to figure out how to set up the embedded brokers as part
> of a DemandForwardingBridge network of brokers.  I'll name one of my
> child's stuffed animals after you if you can help me.  Thanks a lot.
> John



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