Date: Mon, 1 Feb 2010 08:31:32 +0100 From: eberkut <eberkut@minithins.net> To: Jerry Toung <jrytoung@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: TCP westwood Message-ID: <1750BC6A-DCD0-4063-A1B4-34AEFF0B0BF8@minithins.net> In-Reply-To: <86068e731001311449m605005cft7ebc6f8b984d6d96@mail.gmail.com> References: <86068e731001311449m605005cft7ebc6f8b984d6d96@mail.gmail.com>
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Le 31 janv. 2010 =E0 23:49, Jerry Toung a =E9crit : > Hello list, > my employer is asking me to implement westwood, this is most likely = happen > on 8.0. >=20 > before I start, I'd like to know for what reason it hasn't been done = in the > main tree? > is it that no one has had time, or it only work in a lab environment? = may be > too many changes in the stack > and it's not trivial? etc... I have no idea why it wasn't implemented before except maybe simply for = lack of interest. Two years ago, I remember there was some discussion about a modular TCP = congestion control framework in FreeBSD to ease the introduction of new = CC algorithms. It was among the big TCP overhaul going on then with some = part committed in 8.0. There is a branch dedicated to this project but I = have no idea if it's still active : = http://svn.freebsd.org/viewvc/base/projects/tcp_cc_8.x/ You might want to contact Lawrence Stewart (lstewart@freebsd.org), Andre = Oppermann (andre@) and/or Rui Paulo (rpaulo@). They might have patches = that could help you or at least they can give you some pointers. Good luck, -- Vincent Morel=
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