netdev - RE: TCP delayed ACK heuristic

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Date:	Wed, 19 Dec 2012 15:00:36 +0800
From:	Cong Wang <amwang@...hat.com>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	netdev@...r.kernel.org, Ben Greear <greearb@...delatech.com>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Rick Jones <rick.jones2@...com>, Thomas Graf <tgraf@...hat.com>
Subject: RE: TCP delayed ACK heuristic

On Tue, 2012-12-18 at 16:39 +0000, David Laight wrote:
> There are problems with only implementing the acks
> specified by RFC1122. 

Yeah, the problem is if we can violate this RFC for getting better
performance. Or it is just a no-no?

Although RFC 2525 mentions this as "Stretch ACK Violation", I am still
not sure if that means we can violate RFC1122 legally.

Thanks.


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