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Date: Sat, 24 Dec 2011 20:15:02 +0400 From: "Anatoly Sivov" <mm05@...l.ru> To: "John Heffner" <johnwheffner@...il.com> Cc: netdev@...r.kernel.org Subject: Re: tcp_mtu_probe implementation details 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. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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