Re: [tmrg] [Tmrg] [tcpm] Increasing the Initial Window - Notes

Lachlan Andrew <lachlan.andrew@gmail.com> Tue, 16 November 2010 02:17 UTC

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Date: Mon, 15 Nov 2010 18:17:18 -0800
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From: Lachlan Andrew <lachlan.andrew@gmail.com>
To: mallman <mallman@icir.org>
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Subject: Re: [tmrg] [Tmrg] [tcpm] Increasing the Initial Window - Notes
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On 15 November 2010 17:56, Mark Allman <mallman@icir.org> wrote:
>
>> I thought the issue was "If we fix problem X of TCP (very slow to
>> start), should applications be able to test whether that fix has been
>> made, and disable their old work-arounds (opening multiple
>> connections) if it has?"
>
> OK.  So, the client wants to issue small requests to some server and
> expects content in return (a la HTTP).  How many connections should it
> open?  The server controls the initial cwnd that matters and the client
> controls the number of parallel connections.

Good point.  That is a compelling argument.  I was only refuting the
argument that for an app to talk to its own kernel about its TCP
variant is some sort of layering violation.  Perhaps I misunderstood
the original poster.

Cheers,
Lachlan

-- 
Lachlan Andrew  Centre for Advanced Internet Architectures (CAIA)
Swinburne University of Technology, Melbourne, Australia
<http://caia.swin.edu.au/cv/landrew>
Ph +61 3 9214 4837