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Date:	Thu, 28 Aug 2008 09:34:28 +0300 (EEST)
From:	"Ilpo Järvinen" <>
To:	Wenji Wu <>
cc:	John Heffner <>,
	David Miller <>,
	Netdev <>
Subject: Re: about Linux adaptivly adjusting ssthresh

On Wed, 27 Aug 2008, Wenji Wu wrote:

> > A little more detail would be helpful.  Are you referring to caching
> > ssthresh between connections, or something going on during a
> > connection?  Various congestion control modules use ssthresh
> > differently, so a comprehensive answer would be difficult.
> Thanks John, I am referring to the adaptive ssthresh adjusting during a 
> connection.


Every now and then (once we detect some losses) snd_ssthresh is set to a 
halved flightsize as given by, well, you know those standards that say 
something about it :-). So I (like John) seem to somewhat miss the point 
of your question here.

Or did you perhaps refer to rcv_ssthresh (which I wouldn't ever call 
to with a plain "ssthresh")?

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