RHEL/CentOS 体系结构变化趋势

    整体架构变化很明显，从支持多种平台多种架构，到支持单一平台，支持单一体系结构。

    目前最新的RHEL/CentOS 7只支持x86_64架构，也就是说，后续很可能就是x86_64的天下，什么安腾之类的再也难有声音，具体的变化过程，可以参考CentOS下载列表：

Version	Minor release	CD and DVD ISO Images	Packages	Release Email	Release Notes	End-Of-Life
CentOS-7	7.0.1406	x86_64	RPMs	CentOS	CentOS RHEL	30 June 2024
CentOS-6	6.5	i386 x86_64	RPMs	CentOS	CentOS RHEL	30 Nov 2020
CentOS-5	5.10	i386 x86_64	RPMs	CentOS	CentOS RHEL	31 Mar 2017
CentOS-4	4.9	i386 x86_64 ia64 s390s390x alpha Note: The install  media is CentOS-4.8, see the Release Notes for details	RPMs	CentOS	CentOS RHEL	29 Feb 2012
CentOS-3	3.9	i386 x86_64 ia64 s390 s390x	RPMs	CentOS	RHEL	31 Oct 2010
CentOS-2.1	-	i386	RPMs		CentOSRHEL	31 May 2009