From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Anatoly Sivov" <mm05@mail.ru>
Subject: Re: tcp_mtu_probe implementation details
Date: Sat, 24 Dec 2011 20:15:02 +0400
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To: "John Heffner" <johnwheffner@gmail.com>
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Hello John,

Thanks for clarifications.

> A cwnd of 11 pre-probe will result in a cwnd of 6 after a successful
> probe.  (By the time the probe succeeds, cwnd will have been increased
> to 12, then doubling MSS will halve cwnd to 6.)  A window size smaller
> than this makes TCP more vulnerable to double loss events and
> increases the likeliness of timeouts.

Perhaps, it's worth of being mentioned in comment inside of tcp_mtu_probe.