netdev - Re: [PATCH 1/1] TCP: increase default initial receive window.

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Message-Id: <20101217.211415.71128810.davem@davemloft.net>
Date:	Fri, 17 Dec 2010 21:14:15 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	nanditad@...gle.com, netdev@...r.kernel.org, therbert@...gle.com,
	chavey@...gle.com, ycheng@...gle.com
Subject: Re: [PATCH 1/1] TCP: increase default initial receive window.

From: Stephen Hemminger <shemminger@...tta.com>
Date: Fri, 17 Dec 2010 19:59:17 -0800

> On Fri, 17 Dec 2010 19:20:51 -0800
> Nandita Dukkipati <nanditad@...gle.com> wrote:
> 
>> This patch changes the default initial receive window to 10 mss
>> (defined constant). The default window is limited to the maximum
>> of 10*1460 and 2*mss (when mss > 1460).
>> 
>> Signed-off-by: Nandita Dukkipati <nanditad@...gle.com>
> 
> This needs way more discussion because it makes Linux non-RFC
> breaking the RFC behavior should require explicit user override.
> I also wonder if the magic value 10 should be a sysctl.

He's changing the default receive window not the transmit
congestion window, so there is nothing RFC about this.

But yes he does have to explain himself why this change is
being made, in exhaustive detail.
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