Switch to avoid (was Re: NIC to avoid...?)

[Eray Ozkural (exa)]

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Make sure your NIC and your switch talk the same language.

Today's switches aren't optimized for beowulf interconnection network, they 
have been designed for common use by many people. We're pretty glad with our 
3com switch, but it'd be better to know what's inside that box.  That Cisco 
hardware may be good under that load, but supercomputing is something else. 
Unfortunately, you can't trust your senses so the best way is to see which 
switches are preferred in other Beowulf systems. That's why we used 3com, 
there have been many successful systems using 3com and it was cheaper than 
Cisco.

- -- 
Eray Ozkural (exa) <erayo at cs.bilkent.edu.tr>
Comp. Sci. Dept., Bilkent University, Ankara
www: http://www.cs.bilkent.edu.tr/~erayo
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