buffer bloat - may be OT

Peter Robinson pbrobinson at gmail.com
Fri Jun 3 16:16:15 EDT 2011

On Fri, Jun 3, 2011 at 7:37 PM, Sameer Verma <sverma at sfsu.edu> wrote:
> 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?

I seem to remember he covers it pretty well in these slides as well


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