buffer bloat - may be OT

Sameer Verma sverma at sfsu.edu
Fri Jun 3 14:37:59 EDT 2011


On Thu, Jun 2, 2011 at 7:32 PM, James Cameron <quozl at laptop.org> wrote:
> On Thu, Jun 02, 2011 at 09:50:57AM -0700, Sameer Verma wrote:
>> I don't know if any traffic shaping implications will affect the
>> school server, but in the hopes that it might, I'm copying that list
>> as well.
>
> Anything the school server does to fill the buffers of either the
> upstream link or the wireless devices ... will matter.
>
> For the laptops themselves, reducing txqueuelen certainly improves
> latency experienced by other laptops when a laptop transmits a
> non-trivial amount of data.  See http://dev.laptop.org/ticket/10904 for
> some test results.
>
> --
> James Cameron
> http://quozl.linux.org.au/

Actually, Jim does mention the buffer bloat problem in the context of
OLPC and Mongolia at 29:53 on the video. Maybe something is hiding
there?

cheers,
Sameer
-- 
Dr. Sameer Verma, Ph.D.
Associate Professor, Information Systems
Director, Campus Business Solutions
San Francisco State University
http://verma.sfsu.edu/
http://opensource.sfsu.edu/
http://cbs.sfsu.edu/
http://is.sfsu.edu/



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