From owner-freebsd-hackers Fri Sep 11 11:20:07 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA08732 for freebsd-hackers-outgoing; Fri, 11 Sep 1998 11:20:07 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id LAA08598 for ; Fri, 11 Sep 1998 11:19:55 -0700 (PDT) (envelope-from luigi@labinfo.iet.unipi.it) Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id SAA20127; Fri, 11 Sep 1998 18:26:23 +0200 From: Luigi Rizzo Message-Id: <199809111626.SAA20127@labinfo.iet.unipi.it> Subject: Re: Packet/traffic shapper ? To: dennis@etinc.com (Dennis) Date: Fri, 11 Sep 1998 18:26:22 +0200 (MET DST) Cc: oppermann@pipeline.ch, mike@smith.net.au, ulf@Alameda.net, hackers@FreeBSD.ORG In-Reply-To: <199809111646.MAA05628@etinc.com> from "Dennis" at Sep 11, 98 12:59:00 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Ours is a true bandwidth limiter (ie, specific types of traffic can be > limited to very specific bandwidth specifications. same for dummynet > ET/BWMGR can also operate with very high levels of traffic and with > hundreds of limits with little overhead. well this i cannot really say because it uses ipfw for filtering (although i have implemented a jump optimization in the ipfw rule scanning which lets you arrange rules in a tree with cost proportional to the length of the actual search path as opposed to the original ipfw which had to scan the whole list. > >It remains as a fact that, as it is now, ALTQ implements WFQ and RED, > >whereas dummynet does not. > > Doesnt dummynet run in user space? not at all. it runs completely in the kernel. cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message