From owner-freebsd-questions Fri Sep 11 12:09:33 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA20213 for freebsd-questions-outgoing; Fri, 11 Sep 1998 12:09:33 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from alpha.xerox.com (alpha.Xerox.COM [13.1.64.93]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id MAA20185 for ; Fri, 11 Sep 1998 12:09:26 -0700 (PDT) (envelope-from leisner@sdsp.mc.xerox.com) Received: from gemini.sdsp.mc.xerox.com ([13.231.132.20]) by alpha.xerox.com with SMTP id <54236(5)>; Fri, 11 Sep 1998 12:09:01 PDT Received: from gnu.sdsp.mc.xerox.com (gnu [13.231.133.90]) by gemini.sdsp.mc.xerox.com (8.8.7/8.8.7) with SMTP id OAA20369; Fri, 11 Sep 1998 14:39:52 -0400 (EDT) Received: from gnu (localhost) by gnu.sdsp.mc.xerox.com (4.1/client-1.3) id AA06034; Fri, 11 Sep 98 14:39:51 EDT Message-Id: <9809111839.AA06034@gnu.sdsp.mc.xerox.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Julian Elischer Cc: User MEASL , freebsd-questions@FreeBSD.ORG Subject: Re: Bandwidth Throttling In-Reply-To: Your message of "Thu, 10 Sep 1998 15:10:58 PDT." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 11 Sep 1998 11:39:51 PDT From: "Marty Leisner" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > there are a few bandwidth throttlers but they usually can only throttle > "OUTGOING" sessions as incoming sessions are controlled by the > equipment at the ISPs site. > > Luigi's dummynet code (see the archives of the 'current, hackers and net > mailing lists) can do some inbound throttling using queues in incoming > sessions. > I haven't tried it but hey give it a try... :-) I'm not experienced with throttling (but I like the idea). Can't you control the frequency of the acks on the receiver to control bandwidth...once the window is full, it seems the bandwidth can be controlled (there's a discussion about adding a throttling option to wget). -- marty leisner@sdsp.mc.xerox.com The Feynman problem solving Algorithm 1) Write down the problem 2) Think real hard 3) Write down the answer Murray Gell-mann in the NY Times To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message