Re: Connection Establishment

Alan Cox <alan@lxorguk.ukuu.org.uk> Wed, 13 February 2002 17:19 UTC

Subject: Re: Connection Establishment
To: jgh@uk.sun.com
Date: Wed, 13 Feb 2002 17:19:12 +0000 (GMT)
Cc: nicold@umkc.edu, Henk.Langeveld@Sun.COM, braden@ISI.EDU, tcp-impl@grc.nasa.gov
In-Reply-To: <200202131515.g1DFF7c10734@sunuk.UK.Sun.COM> from "Jeremy Harris [RU-UK]" at Feb 13, 2002 03:16:03 PM
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> >Please see RFC 1644 on T/TCP (July 1994)/
> 
> I did. It suggests using the window specified by a previous connection.
> Which is fine if you had one.

And completely unsafe nowdays with proxies stealing some ports, port 
specific routing and the like. The later TCP rfcs made a convincing case 
including good studies that the initial congestion window should be two
frames. That would I suspect mean that 2*mss was a reasonable way to open
fire. 

Alan