[Bloat] What is wrong with Microsoft's receive window auto-tuning?

Steinar H. Gunderson sgunderson at bigfoot.com
Thu Sep 11 13:40:37 EDT 2014


On Thu, Sep 11, 2014 at 10:05:46AM -0700, Eric Dumazet wrote:
>> Is anyone aware of any research either pointing out how their tuning
>> algorithm works, or of known bugs/problems with the algorithm?
> How BDP suggests a receive window of 750k ?
> 
> If BDP _is_ 750k, then 3.8 MB receive window is not insane, it depends
> on the amount of drops and how fast you want to recover from drops.

If it helps, I've seen problems in Linux' auto-tuning as well, so this is
seemingly a hard problem :-)

/* Steinar */
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Homepage: http://www.sesse.net/



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