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RE: [Xen-users] Clustering

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Miles Fidelman
> Sent: Wednesday, April 06, 2011 10:15 AM
> You might want to google "single system image" and take a look at
> http://www.kerrighed.org

Distributed shared memory is a hard problem (consider how you'd
implement an efficient spinlock, for example).  Google for
"Cache-Coherent Distributed Shared Memory", e.g.

Even simple NUMA architectures are not well supported by modern
software.  Unfortunately it seems such machines are more theoretical
than practical at this time.


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