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RFC 3390, "Increasing TCP's Initial Window", October 2002

Source of RFC: tsvwg (tsv)

Errata ID: 4569
Status: Verified
Type: Technical
Publication Format(s) : TEXT

Reported By: Nikolai Malykh
Date Reported: 2015-12-22
Verifier Name: Martin Stiemerling
Date Verified: 2016-01-12

Section 8.1 says:

   A second set of experiments explored TCP performance over dialup
   modem links.  In experiments over a 28.8 bps dialup channel [All97a,
   AHO98], a four-segment initial window decreased the transfer time of
   a 16KB file by roughly 10%, with no accompanying increase in the drop
   rate.  A simulation study [RFC2416] investigated the effects of using
   a larger initial window on a host connected by a slow modem link and
   a router with a 3 packet buffer.  The study concluded that for the
   scenario investigated, the use of larger initial windows was not
   harmful to TCP performance.

It should say:

   A second set of experiments explored TCP performance over dialup
   modem links.  In experiments over a 28.8 kbps dialup channel [All97a,
   AHO98], a four-segment initial window decreased the transfer time of
   a 16KB file by roughly 10%, with no accompanying increase in the drop
   rate.  A simulation study [RFC2416] investigated the effects of using
   a larger initial window on a host connected by a slow modem link and
   a router with a 3 packet buffer.  The study concluded that for the
   scenario investigated, the use of larger initial windows was not
   harmful to TCP performance.

Notes:

Error bit rate - kbps instead of bps.

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