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Date:      Thu, 09 Oct 1997 07:41:54 -0700
From:      David Greenman <dg@root.com>
To:        Dave Marquardt <marquard@zilker.net>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: TCP problem 
Message-ID:  <199710091441.HAA29981@implode.root.com>
In-Reply-To: Your message of "09 Oct 1997 08:02:41 CDT." <854t6r6qdq.fsf@localhost.zilker.net> 

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>>    Actually, only about 1/3rd of RFC 1323 deals with extending the window
>> size. The other 2/3rds deal with other extensions to improve performance
>> (selective ACK and better round-trip time measurement). ...but this hardly
>> matters of course.
>
>Selective ACK?  I thought that didn't come out until recently....

   Oops, yes, the other third was the "PAWS" - Protection Against Wrapped
Sequence numbers. SACK was originally defined in RFC 1072, but later redefined
in RFC 2018.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project



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