Hi,

On Tue, 18 Dec 2007, Gavin McCullagh wrote:

> The last attempt didn't take account of the situation where a timestamp
> wasn't available and tcp_clean_rtx_queue() has to feed both the RTO and the
> congestion avoidance.  This updated patch stores both RTTs, making the
> delayed one available for the RTO and the other (ca_seq_rtt) available for
> congestion control.

I forgot to include some data to show the difference this can make to the
RTT signal:

        http://www.hamilton.ie/gavinmc/linux/tcp_clean_rtx_queue.html

Gavin

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