[net-perf] bwctl testing

John Haskins john.haskins at commserv.ucsb.edu
Thu Jun 9 16:16:05 PDT 2005


Mike, what's the path look like each way between UCI and UCLA?
Are both directions using HPR?
Is one direction taking dark fiber and the other gigaman?
-john

Mike Iglesias wrote:

> I've been doing some bwctl testing with Michael VN's systems (thanks Michael),
> and I'm getting some weird results - it's 10x slower going from UCI to
> UCLA than it is from UCLA to UCI.  The UCLA systems seem to have good
> performance going to the Abilene test sites.  We're seeing transfer
> rates of 28mb/s from UCI to UCLA and 225mb/s from UCLA to UCI, which is
> really bad.
> 
> What I'd like to do is try this with some other sites to see how close to
> us this performance issue is, so if you want to do some testing send
> me a key and what your bwctl hostname is.
> 
> I've filled out the Abilene form so I can test with them as well.
> 
> 
> Mike Iglesias                          Email:       iglesias at draco.acs.uci.edu
> University of California, Irvine       phone:       949-824-6926
> Network & Academic Computing Services  FAX:         949-824-2069
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