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微软服务包(SP,Service Pack)最初的定位是将以往一段时间发布的补丁文件制作成一个完成的集合(以下简称补丁包),以方便用户更快地完成操作系统部署。这一惯例被 Windows XP 的 SP2补丁包打破,由于 Vista 的不断延期,以及 WindowsXP SP1不断暴露的安全问题。微软在推出Windows XP SP2补丁包时为其赋予了更多的使命,SP2补丁包给 Windows XP 带来了显著的改变,安全性和稳定性都上升了一个台阶。更重要的是,SP2还集成了 Windows 防火墙等众多的新特性,所以 SP2从严格意义上说应当被视为是 Windows XP 的升级版。但是几年之后发布的 Windows XP SP3和Vista SP1则严格遵循微软原先对补丁包的定义,这两个补丁包都几乎没有给其所针对
The initial positioning of the Microsoft Service Pack (SP) is to make the patch files released in the past into a completed collection (hereinafter referred to as the patch pack) to facilitate the quicker deployment of the operating system. This convention was broken by the Windows XP SP2 patch, due to the constant postponement of Vista and the continuing security issues exposed by Windows XP SP1. Microsoft gave it more mission when it introduced the Windows XP SP2 patch bundle, which brought significant changes to Windows XP with a step up in security and stability. More importantly, SP2 also integrates many new features such as Windows Firewall, so SP2 should be considered an upgrade to Windows XP in a strict sense. However, Windows XP SP3 and Vista SP1, released a few years later, strictly followed Microsoft’s original definition of the patch bundle, which was rarely given to both patches