From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael T. Babcock" Date: Tue, 04 Dec 2001 18:27:02 +0000 Subject: Re: [LARTC] SFQ + RED Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org > The random variation in demand from other flows will have the effect > of jittering the maximum length of your subqueue, which is pretty > similar to what you experience with RED, isn't it? Not quite, no. The dropping of packets is based on actual calculations in RED that aren't available in SFQ. SFQ drops _all_ the packets off the end and doesn't start doing so before congestion happens -- RED is designed to drop packets before getting overly congested so that the stream speeds stay steady and don't try to climb above what's available. -- Michael T. Babcock _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/