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From Tim Sparg <>
Subject Re: Network of Brokers or Standard connections
Date Tue, 02 Dec 2008 14:14:23 GMT

Hi guys

I'm new to ActiveMQ, and am still trying to learn my way around how
everything works.

I'm trying to find a definitive answer as to the network impact of broker to
broker communication as opposed to broker to consumer communication.

The "How do distributed queues work" page is a bit vague to me. it says 
"Store and forward is often used in large networks where producers are on
one LAN and consumers are on another LAN and you wish to use a broker on
each LAN as a kind of network concentrator to minimise chattiness over the
WAN between them (and to minimise the number of connections required across
the WAN too)"

My understanding of the above paragraph is that broker to broker
communication would reduce network traffic in the case where each individual
LAN has multiple consumers, as there is only one component talking.
If each individual LAN only had one consumer(as opposed to multiple) would
broker to broker communication still have an advantage over broker to
consumer communication?

what do you mean when you say that Broker to broker communication generally
creates less traffic? does that mean that it is according to your
configuration, or according to the type of distributed messaging you use?
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