Date: Wed, 9 Jul 2003 13:18:59 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Max Clark <max.clark@media.net> Cc: freebsd-hackers@freebsd.org Subject: Re: What ever happened with this? "eXperimental bandwidth delay product code" Message-ID: <20030709181859.GH39506@dan.emsphone.com> In-Reply-To: <ILENIMHFIPIBHJLCDEHKKEEFCJAA.max.clark@media.net> References: <ILENIMHFIPIBHJLCDEHKKEEFCJAA.max.clark@media.net>
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In the last episode (Jul 09), Max Clark said: > Hi all, > > I am doing research on dynamic tcp tunning, what ever happened with the > patch below? > > http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&safe=off&selm=200107150943.f6F9hhx06763%40earth.backplane.com&rnum=1 It got commited to 4.x and 5.x in August 2002; the sysctls were renamed to net.inet.tcp.inflight_debug, inflight_enable, and inflight_min. They're documented in the tcp(4) manpage. Note that it's got a specific purpose; you don't want to turn this on by default as it will lower the throughput of individual TCP streams to prevent backlogs and packet loss. -- Dan Nelson dnelson@allantgroup.com
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