TCP Initial Window 10 MFC

Lawrence Stewart lstewart at freebsd.org
Wed Aug 14 09:27:19 UTC 2013


Hi Lars,

On 08/14/13 18:46, Eggert, Lars wrote:
> Hi,
> 
> On Aug 14, 2013, at 10:36, Lawrence Stewart <lstewart at freebsd.org> wrote:
>> I don't think this change should have been MFCed, at least not in its
>> current form.
> 
> FYI, Google's own data as presented in the HTTPBIS working group of the recent Berlin IETF shows that 10 is too high for ~25% of their web connections: see slide 2 of http://www.ietf.org/proceedings/87/slides/slides-87-httpbis-5.pdf
> 
> (That slide shows a CDF of CWND values the server used at the end of a web transaction.)

Thanks for the pointer - very interesting. Do you recall if they said
how many flows made up the CDF?

Cheers,
Lawrence


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