netdev - Re: [PATCH] [TCP] FRTO: Limit snd_cwnd if TCP was application limited

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Message-Id: <20071113.210233.42884295.davem@davemloft.net>
Date:	Tue, 13 Nov 2007 21:02:33 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] [TCP] FRTO: Limit snd_cwnd if TCP was application
 limited

From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Wed, 14 Nov 2007 00:08:18 +0200 (EET)

> 
> Otherwise TCP might violate packet ordering principles that FRTO
> is based on. If conventional recovery path is chosen, this won't
> be significant at all. In practice, any small enough value will
> be sufficient to provide proper operation for FRTO, yet other
> users of snd_cwnd might benefit from a "close enough" value.
> 
> FRTO's formula is now equal to what tcp_enter_cwr() uses.
> 
> FRTO used to check application limitedness a bit differently but
> I changed that in commit 575ee7140dabe9b9c4f66f4f867039b97e548867
> and as a result checking for application limitedness became
> completely non-existing.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Applied to net-2.6, thanks Ilpo.
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