From owner-freebsd-net@FreeBSD.ORG Fri Jun 20 02:19:20 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6AA3D798 for ; Fri, 20 Jun 2014 02:19:20 +0000 (UTC) Received: from gpo3.cc.swin.edu.au (gpo3.cc.swin.edu.au [136.186.1.32]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DACBB24E9 for ; Fri, 20 Jun 2014 02:19:18 +0000 (UTC) Received: from [136.186.229.37] (garmitage.caia.swin.edu.au [136.186.229.37]) by gpo3.cc.swin.edu.au (8.14.3/8.14.3) with ESMTP id s5K2JErm019560 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 20 Jun 2014 12:19:15 +1000 Message-ID: <53A39A22.5090802@swin.edu.au> Date: Fri, 20 Jun 2014 12:19:14 +1000 From: grenville armitage User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:16.0) Gecko/20121107 Thunderbird/16.0.2 MIME-Version: 1.0 To: freebsd-net@freebsd.org Subject: Re: LEDBAT (RFC-6817)i n FreeBSD as mod_cc(9)? References: <1863738251.20140616172546@serebryakov.spb.ru> <1819611615.20140617124843@serebryakov.spb.ru> In-Reply-To: <1819611615.20140617124843@serebryakov.spb.ru> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Jun 2014 02:19:20 -0000 On 06/17/2014 18:48, Lev Serebryakov wrote: > Hello, hiren. > You wrote 17 =D0=B8=D1=8E=D0=BD=D1=8F 2014 =D0=B3., 11:41:35: > >>> It looks like, that some TCP connections could benefit from LEDBAT= >>> (RFC-6871) cognestion control algorithm (not all, of course, it sho= uld not >>> be default). I wonder what you think of using cc_cdg ? We did some initial exploratio= n of using cc_cdg (v0.1) in LEDBAT-like contexts in http://caia.swin.edu.= au/cv/garmitage/things/CameraReady-CDGscaveneger-LCN2013-preprint.pdf) [..] > The problem is it seems that "someone" needs to extend set of hooks = in > mod_cc substantially. It is more than "write one more module" and, IM= HO, > should be discussed with net-related people :) I'm also curious about implementing LEDBAT -- what sort of functionality = do you sense is missing from current mod_cc and h_ertt ? cheers, gja