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From Alan Conway <acon...@redhat.com>
Subject Re: Clustering qpid without multicast?
Date Sat, 12 Dec 2009 03:08:03 GMT
On 12/11/2009 05:18 PM, Robert Greig wrote:
> 2009/12/11 Alan Conway<aconway@redhat.com>:
>
>> Currently the assumption of CPG is baked into qpidd but in principle we
>> could abstract the virtual synchrony layer and allow other another VS engine
>> to plug in. I've only worked with CPG to date so I don't have a good handle
>> on how big are the API differences might be so hard to say how much work it
>> would be.
>
> I think it would be useful - certainly if I were trying to sell Qpid
> derivatives commercially I would be looking at something that didn't
> require multicast (or RDMA for that matter). I don't know if multicast
> is on the EC2 roadmap but I certainly can't imagine that RDMA is. The
> latency is important for some users but for others the throughput is
> more important (along with easy hosting on services such as EC2).
>
I can't tackle that in the short term but if someone else takes it on I can 
certainly advise & collaborate.

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