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Date:      Thu, 16 Feb 2006 21:22:47 +0000
From:      Joao Barros <joao.barros@gmail.com>
To:        Andre Oppermann <andre@freebsd.org>
Cc:        cvs-src@freebsd.org, src-committers@freebsd.org, Robert Watson <rwatson@freebsd.org>, Mohan Srinivasan <mohan_srinivasan@yahoo.com>, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/sys/netinet tcp_input.c tcp_subr.c tcp_timer.h tcp_var.h
Message-ID:  <70e8236f0602161322he6f9befw8c223784657a878e@mail.gmail.com>
In-Reply-To: <200602161938.k1GJc7t1048879@repoman.freebsd.org>
References:  <200602161938.k1GJc7t1048879@repoman.freebsd.org>

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On 2/16/06, Andre Oppermann <andre@freebsd.org> wrote:
> andre       2006-02-16 19:38:07 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/netinet          tcp_input.c tcp_subr.c tcp_timer.h
>                          tcp_var.h
>   Log:
>   Have TCP Inflight disable itself if the RTT is below a certain
>   threshold.  Inflight doesn't make sense on a LAN as it has
>   trouble figuring out the maximal bandwidth because of the coarse
>   tick granularity.
>
>   The sysctl net.inet.tcp.inflight.rttthresh specifies the threshold
>   in milliseconds below which inflight will disengage.  It defaults
>   to 10ms.
>
>   Tested by:      Joao Barros <joao.barros-at-gmail.com>,
>                   Rich Murphey <rich-at-whiteoaklabs.com>
>   Sponsored by:   TCP/IP Optimization Fundraise 2005

Thank you for your work on this.
My thanks also to Robert Watson who didn't let this die and Mohan
Srinivasan who followed up.

--
Joao Barros



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