Date: Mon, 12 Jan 2015 11:06:39 -0500 From: Pedro Giffuni <pfg@FreeBSD.org> To: Hiren Panchasara <hiren@FreeBSD.org>, Midori Kato <katoon@sfc.wide.ad.jp>, Lars Eggert <lars@netapp.com>, svn-src-head@freebsd.org Subject: Re: svn commit: r277054 - in head: share/man/man4 sys/modules/cc sys/modules/cc/cc_dctcp sys/netinet sys/netinet/cc Message-ID: <54B3F10F.70506@FreeBSD.org> In-Reply-To: <201501120833.t0C8X53s071470@svn.freebsd.org> References: <201501120833.t0C8X53s071470@svn.freebsd.org>
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On 12/01/2015 03:33 a.m., Hiren Panchasara wrote: > Author: hiren > Date: Mon Jan 12 08:33:04 2015 > New Revision: 277054 > URL: https://svnweb.freebsd.org/changeset/base/277054 > > Log: > DCTCP (Data Center TCP) implementation. > > DCTCP congestion control algorithm aims to maximise throughput and minimise > latency in data center networks by utilising the proportion of Explicit > Congestion Notification (ECN) marked packets received from capable hardware as a > congestion signal. > > Highlights: > Implemented as a mod_cc(4) module. > ECN (Explicit congestion notification) processing is done differently from > RFC3168. > Takes one-sided DCTCP into consideration where only one of the sides is using > DCTCP and other is using standard ECN. > > IETF draft: http://tools.ietf.org/html/draft-bensley-tcpm-dctcp-00 > Thesis report by Midori Kato: https://eggert.org/students/kato-thesis.pdf > > Submitted by: Midori Kato <katoon@sfc.wide.ad.jp> and > Lars Eggert <lars@netapp.com> > with help and modifications from > hiren > Differential Revision: https://reviews.freebsd.org/D604 > Reviewed by: gnn Missing RelNotes= yes Huge thank you! FWIW, I thought the linux guys wouldn't take it over some GPL vs patent issue but apparently redhat pushed some muscle and just did it: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e3118e8359bb7c59555aca60c725106e6d78c5ce Not that I care much what they do ;). Pedro.
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