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From Tim Bain <tb...@alumni.duke.edu>
Subject Re: ActiveMQ Network of Brokers plus HA for messages
Date Tue, 29 Sep 2015 04:55:27 GMT
They're mutually exclusive within a specific cluster of nodes, but you can
compose a network of brokers out of multiple master/slave cluster.

So (to pick a random example) if you have clusters made of M1/S1, M2/S2,
and M3/S3 and wanted a NOB with connections between clusters 1 and 2 and
between 2 and 3, you could configure M1, S1, M3, and S3 to each have a
duplex failover networkConnectors to both M2 and S2, i.e.
failover:(tcp://M2,tcp://S2).  Only one node of each cluster will be active
at a time, so if M3 is active, it will attempt to connect to M2 first and
if S2 is active then M3 will fail over to S2 when it can't connect to M2.
S3 won't be active in this example, so you'll have only a single duplex
networkConnector between S2 and M3.

All of your clients will need to use the failover protocol containing at
least one pair of master/slave brokers to guarantee that there will be at
least one broker available to the client at all times, though you could
throw all 6 brokers into a single failover URI if you wanted to be able to
connect to any broker in the network.

Tim

On Mon, Sep 28, 2015 at 8:29 PM, phang76 <paulhanton@xtra.co.nz> wrote:

> We have been looking at options for configuring HA with AMQ/ActiveMQ.
>
> Our requirements are:
>
> 1.      Active/Active broker connectivity – producers and consumers can
> connect
> to any broker.
> 2.      No loss of persistent messages in the event a broker node fails.
>
> Based on reading of the ActiveMQ documentation it appears we can achieve 1
> with a network of brokers deployment and 2 with Master Slave configuration.
>
> The question is are Network of Brokers and Master/Slave mutually exclusive?
> If not is there a supported configuration for concurrently using both?
>
>
>
>
> --
> View this message in context:
> http://activemq.2283324.n4.nabble.com/ActiveMQ-Network-of-Brokers-plus-HA-for-messages-tp4702395.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>

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