> > -----Original Message----- > From: David S. Miller [mailto:davem@redhat.com] > Sent: 2003年10月21日 13:42 > To: Zhu, Yi > Cc: becker@scyld.com; Zhao, Forrest; linux-net@vger.kernel.org > Subject: Re: Do we need a reliable multicast in kernel? > > On Tue, 21 Oct 2003 13:29:43 +0800 (CST) > "Zhu, Yi" <yi.zhu@intel.com> wrote: > > > On Tue, 21 Oct 2003, David S. Miller wrote: > > > > > People on clusters use their own special clustering hardware and > > > protocol stacks > > > > And their own operating systems... > > I've stated publicly on many occaisions that if OS's other than > Linux solve someone's problem better than Linux does they should > go use it. > > There is nothing wrong with this, and it should not in any way decide > how or what we implement in the Linux kernel. In fact I invite other > systems to facilitate small groups of users in ways that would be bad > for Linux in the long run. > > This is what Sun has always done, and they enjoy an ever shrinking > market share. This is therefore not what Linux will do. > > > Reliable mulitcast is a very basic requirement from all the cluster > > softwares and IP is so widely used. I don't think every cluster > > implementation needs to write its own protocol stacks from scratch > > except those for rigorous network performance. > > > > If Linux can provide one, I bet a big number of people (at least for > > Linux cluster people) will use and take advantage of it, if it is > > written good enough. :) > > The things cluster people want is totally against what a general > purpose IPV4 implementation should do. Linux needs to provide a > general purpose IPV4 stack that works well for everybody, not just > cluster people. But Here we did want to develop a configurable RMT module,specially for cluster environment. Users can select it or deselect it,just as your company's service. > > I'd rather have millions of servers using my IPV4 stack than a handful > of N-thousand system clusters. > > If your company had the choice between making their CPUs useful to a > handful of technical people or the millions upon millions of Microsoft > users writing Word documents, which way would you prefer them > to choose? > > Next, how is that choice any different from the choice I'm telling you > we're making for the Linux networking here? > > Sure, many people would like to simulate the earth and nuclear weapons > using Linux, but I'm sure as hell not going to put features into the > kernel to help them if such features hurt the majority of Linux users. > The comparsion is not reasonable ,but magnified. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
