[Server-devel] buffer bloat - may be OT

[Peter Robinson]

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
http://gettys.wordpress.com/2011/04/18/slides-and-talk-from-prague-ietf-transport-area-bufferbloat-talk/

Peter