Re: RTO [was Re: my broken TCP is faster on broken networks [Re: Very poor TCP/SACK performance]]

Andrea Arcangeli (andrea@e-mind.com)
Sat, 12 Sep 1998 18:01:59 +0200 (CEST)


On Sat, 12 Sep 1998, Andrea Arcangeli wrote:

>I think that it' s really excessive increase the srtt of 4*mdev. Also I

And I just seen that 2.0 increase srtt of 2*MDEV and not of 4*MDEV:

--- 2.0.35 ---
} else {
/* no previous measure. */
sk->rtt = m<<3; /* take the measured time to be
rtt */
sk->mdev = m<<1; /* make sure rto = 3*rtt */
}
--------------

2.1 instead calc mdev as m<<2.

And this probably is the cause of the stalls reported by many people on
the list.

Andrea[s] Arcangeli

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