Date: Sat, 27 Oct 2001 00:48:09 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.ORG> To: Luigi Rizzo <rizzo@aciri.org> Cc: Bosko Milekic <bmilekic@technokratis.com>, "Keiichi SHIMA / ?$BEg7D0l?(B" <keiichi@iij.ad.jp>, David Malone <dwmalone@maths.tcd.ie>, Alfred Perlstein <bright@mu.org>, net@FreeBSD.ORG Subject: Re: performance issues with M_PREPEND on clusters Message-ID: <Pine.NEB.3.96L.1011027004609.410B-100000@fledge.watson.org> In-Reply-To: <20011026092840.F64631@iguana.aciri.org>
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On Fri, 26 Oct 2001, Luigi Rizzo wrote: ... > documentation will likely see this behaviour documented. Changing it > might introduce insidious bugs in the code -- because in reality, > clusters are almost never shared except for those on the TCP send queue > and for multicast packets (but who uses multicast, anyways), so there is > a chance that we will have buggy code that goes unnoticed for a long > time. ... I use multicast on my workstation pretty much every day. While my own box isn't a multicast router, we have several FreeBSD boxes deployed as multicast routers at NAI Labs that are also used daily. Sure is a lot cheaper than the commercial video-conferencing services, and as long as you use telephone conferencing for the audio, it even sounds good too :-). No comment on the technical work going on here intended, just wanted to observe that people actually do use multicast :-). Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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