Re: [tcpm] TCP tuning

Mark Allman <mallman@icir.org> Mon, 15 March 2010 20:59 UTC

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Cc: tcpm@ietf.org, Kacheong Poon <kacheong.poon@sun.com>, Michael Welzl <michawe@ifi.uio.no>
Subject: Re: [tcpm] TCP tuning
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[These are re-sends from long ago... they never made it to the list.
 But, that seems to have been worked out, now.  --allman]

> Making TCP smarter is fine; doing so at the expense of robustness is
> not. 

I'll agree with this and push back at the same time.  I agree that
robustness is important and should be protected.  However, I have
increasingly come to view things like initial RTOs and initial cwnds,
and etc. as not buying us much robustness.  What buys us robustness is
the reaction---any reaction---to indications there might be problems.
These gross notions are more important than any small parameter change
it seems to me.

allman