Architecture and topology of 3COM SuperStack II 3900 switch?

Eray Ozkural (exa) erayo at cs.bilkent.edu.tr
Mon Jul 23 21:52:20 EDT 2001


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Greetings,

I'm developing a parallel code on our 32 node Pentium II Beowulf cluster at 
Bilkent Univ. Recently I've stumbled into a problem due to our lack of 
knowledge about the 3COM 3900 36 port 100Base-TX switch with gigabit uplink. 
I need to know the architecture and topology of the interconnection network 
within the switch in order to implement the optimal parallel algorithms in 
the code. Unfortunately, the documents I've seen is geared towards "managers" 
and system administrators and does not seem to contain the technical 
specifications that I was looking for. Since we have paid thousands of 
dollars for this particular piece of hardware, I believe that this simple 
information should be available. 

The information I'm looking for is:

   * Is this a static or dynamic network? And what is its architecture (is it 
an omega n/w?)
   * If it's a static network what is its topology and connectivity? (is it a 
clique, is it a hypercube, is it a 2 1/2 D mesh?)

I'd be very glad for any advice on this matter. I'm looking forward to your 
comments.

Regards,

- -- 
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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