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From Phil Harvey <p...@philharveyonline.com>
Subject Re: Whether to use Queues or Topics.. ?
Date Tue, 02 Oct 2012 11:35:05 GMT
Have you considered JMS durable subscriptions?

They are described here:

On 2 October 2012 11:43, Sajith Kariyawasam <sajhak@gmail.com> wrote:

> Hi all,
> My requirement is to notify a cluster of nodes, when an event is occurred..
>  nodes will be different based on client Id, one client can have more than
> one node...
> In message broker, I will have one queue per client (Say queue1, queue2.. )
> , and nodes will be listening to their relevant queue ... so, in this case
> more than one node (say node1, node2 and node3) listening to one queue
> (Say, queue1)
> I realize that if one node(say node1)  reads the message from the queue,
> the message is gone, so that the other nodes (node1 and node2) will not be
> notified..
> Hence I thought of using Topics instead.. but there the problem I face is
> that the messages published on topics are not persisted, if one node misses
> a message (that node may be down at the time of message receiving) it never
> gonna get the message again (if the node is rebooted)..
> Are there any other construct that I can use or a combination of Queues and
> Topics for my use case?
> --
> Best Regards
> Sajith

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