On Tue, Jun 12, 2007 at 05:24:32PM -0600, Stephen John Smoogen wrote: > On 6/12/07, Donald E Tripp <[EMAIL PROTECTED]> wrote: > >This is a question I hear fairly frequently on both SL and CentOS forums. > >Here's my two cents.
See also http://www.redhat.com/rhel/migrate/whichlinux/ for Red Hat's POV on the differences between RHEL and Fedora. > >RHEL/SL/CenOS is a world class stable operating system. It got that way by > >being refined over time, and it stays that way from a continuos flow of > >quality bug fixes and updates. With a release cycle of 36 months, more like 18-24 months, where 18 is the desired release cycle, but 24 is the effective one. In general RHEL release cycles are targeting 3 Fedora release targets, e.g. 3x6 months = 18 months. There is a mapping like RHEL3 ~= FC0 (RHL9), RHEL4 ~= FC3, RHEL5 ~= FC6, RHEL6 ~= FC9. > >and life-time of 5-6 years, 7 years > >RHEL/SL/CentOS is the desired platform for server operating systems > >and mission critical systems. > > > >Fedora is like the baby brother; the one who wants all the new toys. > >Fedora's release cycle of 18 months puts it way ahead of any of the RHEL > >clones. Fedora has an estimated life-time of 3 years. I just recently read > >that they were dropping support for FC1 and FC2 because of lack of use / > >limited space. so FC3 is probably close behind. > > > > Pretty much but the Fedora release cycle is 6-9 months and the life > cycle is estimated to be 18 to 24 months versus 3 years. FC3 and FC4 > have been end-of-lifed for a while. FC5 will be end of lifed soon. The > future plans of Fedora will be to release regularly in October and > April. This means that FC8 will be only a 4 month development cycle > with a 1 month beta cycle. FC9 will be a 5 month development cycle > with a 1 month beta cycle. Support will become 18 months I think. Support is 13 months, or more precisely two release cycles (a 6 months) + 1 month. When the releases slip the EOL date slips as well as to be next-to-next release plus a month. Since Fedora wants to keep the May Day/Halloween release cycles (which is why F8 has so little time) this means that 2 releases will almost always match up to ~12 months. The intention is to allow Fedora users to skip a release and upgrade from say FC5 to F7, e.g. have a 1 month window to perform yearly upgrade instead of half-yearly. -- Axel.Thimm at ATrpms.net
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