netdev - Re: [net-next-2.6 PATCH v4 3/3] TCPCT part 1c: initial SYN exchange with SYNACK data

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Date:	Wed, 28 Oct 2009 13:14:01 -0400
From:	William Allen Simpson <william.allen.simpson@...il.com>
To:	Linux Kernel Network Developers <netdev@...r.kernel.org>
CC:	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [net-next-2.6 PATCH v4 3/3] TCPCT part 1c: initial SYN exchange
 with SYNACK data

Eric Dumazet wrote:
> William Allen Simpson a écrit :
>> suggested for many years, and is also useful without SYN data, allowing
>> several related concepts to use the same extension option.
>>
>>    "Re: SYN floods (was: does history repeat itself?)", September 9, 1996.
>>    http://www.merit.net/mail.archives/nanog/1996-09/msg00235.html
> 
> Sorry this link might be interesting to you, but I found nothing that explains
> your patches.
> 
>>    "Re: what a new TCP header might look like", May 12, 1998.
>>    ftp://ftp.isi.edu/end2end/end2end-interest-1998.mail
> 
> Same here....
> 
They explain the "several related concepts" -- indeed the entire scope of
the whole project.  That's why this patch series is labeled "part 1".


> I tried to find an RFC or document about this stuff and failed.
> 
This patch series was fairly clearly described in Adam's draft last year.
It's expired now, but I'll send you a copy privately.


> Before reading implementation code, I like to have english text that describes
> the new concept/design.
> 
Before writing text, I like to have implementation code.... :-)

In fact, it has long been my position that we shouldn't publish IETF RFCs
without running code (and I never have).  Even PPP over SOnet/SDH had
preliminary hardware before publication.  Unfortunately, those with
standards-bodies-itis have a sad history of the opposite.

The Usenix ;login: overview and other documents are embargoed until
(December) publication, but I'll send you some recent galleys privately.


> (BTW I found http://ttcplinux.sourceforge.net/theses/ETTCP.pdf and found it interesting,
> I wonder what happened to this)
> 
I found it too, and deliberately extended Adam's sockopt to encompass it.
It's one reason this was renamed TCP Cookie *Transactions* (TCPCT).  That
will come along later, probably about parts 4 or 5.
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