Date: Fri, 9 Jun 2000 16:43:07 -0400 (EDT) From: Adam <bsdx@looksharp.net> To: net@freebsd.org Subject: Re: HEADS UP- WF2Q and RED now available in -current Message-ID: <Pine.BSF.4.21.0006091640310.96469-100000@turtle.looksharp.net> In-Reply-To: <20000609201432.3D4DC1CE4@overcee.netplex.com.au>
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On Fri, 9 Jun 2000, Peter Wemm wrote: >Thierry Herbelot wrote: >> "Gary T. Corcoran" wrote: >> > >> > Luigi, >> > >> > > as the subject says, i have just committed some new code to >> > > dummynet (and related hooks and documentation for ipfw) to >> > > implement RED (thanks to Gianluca Iannaccone) and a >> > > variant of Weighted Fair Queueing called WF2Q+ >> > >> > I checked your web page, but didn't find anything describing >> > what "RED" is. And I'm afraid if I just put "red" into a >> > search engine I'll get a zillion results... ;-) >> > >> > So could you just very briefly explain what "RED" is, and/or >> > point me to a URL which describes it? >> >> Random Early Discard : if the channel has not enough bandwidth, just >> throw away some frames (randomly) > >More to the point, it takes advantage of TCP backoff to slow down all the >TCP sessions so that you don't quite get to the point of hitting the 100% >limit and losing a large chunk of in-flight data. If you drop a few packets >earlier you can "shape" the tcp connection(s) so that they don't hit the >wall hard. > >Cheers, >-Peter This sounds like _exactly_ what I need for my link :) Anyone have any information on how to set that up? It might just be enough reason to upgrade my firewall ;> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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