From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wesley Eddy <weddy@grc.nasa.gov>
Subject: Re: TCP rto estimation patch
Date: Fri, 23 Apr 2004 16:44:34 -0400
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To: Horst von Brand <vonbrand@inf.utfsm.cl>
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On Fri, Apr 23, 2004 at 01:35:27PM -0400, Horst von Brand wrote:
>=20
> Why RTT_ALPHA and RTTVAR_BETA, and not just RTT_BETA? Or even RTO_xxx?
>

Per the spec, alpha is used to compute rtt and beta likewise for rttvar.
=20
> Is there any reason to change them, ever? What happens if you change them?
> Restrictions on values? All this should go with such a patch IMHO (at lea=
st
> pointers to relevant discussion).

The information isn't relevant since the patch didn't change them, and if
you were interested in changing the values then simple google search
would return a plethora of research on RTT estimation.

> Must go over it with a fine comb to make sure no unrelated 2 or 3 got
> replaced... out of my league, sorry.

There are stray constants all over the place, which is something that
even freshman computer science students are taught to avoid.  This patch
represents a minor improvement to that situation.

-Wes

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