Re: Sharing RAM over the 'net (was Re: Process Migration on

David Schwartz (djls@gate.net)
Thu, 02 Oct 1997 14:31:33 -0400

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At 01:09 AM 10/3/97 +1000, Darren Reed wrote:
>So why can't you share the memory ?
>
>Something pmap calling pmap on another box, over the network, and so on.
>
>Of course this would be real slow over ethernet, but what about if you
>have a host which has multiple cpu's with dedicated memory for each ?
>
>I think in those sort of instances sharing memory over some sort of
>"network interface" is an interesting idea and process/thread migration
>could be very sexy. But perhaps Linux cannot support that without huge
>rewrites ?

Cellular IRIX does exactly this. The big problem is, if one CPU fails or
one network link fails, you (potentially) lose every single process on the
network of systems.

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