netdev - Re: [PATCH v2 0/7] TCP Fast Open client

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Message-ID: <CAHO5Pa0D-hS=zdEEyUWMN6bmpKvQgiy25nTu1=BUYVxec+zpsQ@mail.gmail.com>
Date:	Fri, 27 Jul 2012 13:42:52 +0200
From:	Michael Kerrisk <mtk.manpages@...il.com>
To:	Yuchung Cheng <ycheng@...gle.com>
Cc:	davem@...emloft.net, hkchu@...gle.com, edumazet@...gle.com,
	ncardwell@...gle.com, sivasankar@...ucsd.edu,
	netdev@...r.kernel.org
Subject: Re: [PATCH v2 0/7] TCP Fast Open client

Yuchung,

On Wed, Jul 18, 2012 at 11:01 PM, Yuchung Cheng <ycheng@...gle.com> wrote:
> ChangeLog since v1:
>   - Reduce tons of code by storing Fast Open stats in the TCP metrics :)
>   - Clarify the purpose of using an experimental option in patch 1/7
>
> This patch series implement the client functionality of TCP Fast Open.
> TCP Fast Open (TFO) allows data to be carried in the SYN and SYN-ACK
> packets and consumed by the receiving end during the initial connection
> handshake, thus providing a saving of up to one full round trip time (RTT)
> compared to standard TCP requiring a three-way handshake (3WHS) to
> complete before data can be exchanged.
>
> The protocol change is detailed in the IETF internet draft at
> http://www.ietf.org/id/draft-ietf-tcpm-fastopen-00.txt . The research

This URL appears to be invalid. I assume the following is the correct
current version:
http://tools.ietf.org/html/draft-ietf-tcpm-fastopen-01
?

Is there some sample client and server userspace test code available?

Thanks,

Michael

-- 
Michael Kerrisk Linux man-pages maintainer;
http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface", http://blog.man7.org/
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