netdev - Re: 3 packet TCP window limit?

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Message-ID: <20100505150343.0c09c6ba@nehalam>
Date:	Wed, 5 May 2010 15:03:43 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Brian Bloniarz <bmb@...enacr.com>
Cc:	dormando <dormando@...ia.net>, netdev@...r.kernel.org,
	Rick Jones <rick.jones2@...com>, shemminger@...l.org
Subject: Re: 3 packet TCP window limit?

On Wed, 05 May 2010 16:56:34 -0400
Brian Bloniarz <bmb@...enacr.com> wrote:

> dormando wrote:
> >> This sounds like TCP slow start.
> >>
> >> http://en.wikipedia.org/wiki/Slow-start
> >>
> >> As far as tunables you might want to play with the initcwnd route
> >> flag (see "ip route help")
> > 
> > Ah, yes, initcwnd was it. I'm well aware of TCP Congestion control / slow
> > start / etc. However I couldn't find the damn tunable for it :)
> 
> Documenting the flag in ip(8) might increase its visibility
> a little. I don't see it documented in the iproute2 git head,
> though it shows up on http://linux.die.net/man/8/ip somehow.
> 
> Stephen, do you know why that is?

No one sent me an official patch to change it?
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