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 :: Mailing Lists

[ILUG] Beowulf's in Ireland

[ILUG] Beowulf's in Ireland

Paul Jakma paul.jakma at compaq.com
Tue Feb 29 14:54:11 GMT 2000


On Tue, 29 Feb 2000, Albert White (Sysadmin) wrote:

> You will allways run the risk of having collision problems on a
> network with a hub, but would have thought that if you were building
> a cluster like this it would be to haness processing power. If you
> have a situation where your program is slowing down due to collisons
> on a 100Mb hub then I think you better think about redesigning your
> program to not pass so many messages :)
> 

or better still move to some kind of token passing network medium, eg
Token Ring or FDDI, which isn't crippled by the ineffeciencies of
csma/cd.

(token ring efficiency approaches 100% when demand > bandwidth)

> Al
> 





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