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针对 SaaS 服务分为三个层面所采取的 IT 战略规划,事实上也是每个企业 IT 投资多寡与回报高低的关键所在。最近兴起的“软件就是服务(Sortware as a Servics:SaaS)”的名词来说,其脱胎于几年前的应用程序服务提供商
The strategic planning for the three levels of SaaS services is actually the key to how much and how much each enterprise’s IT investment is. The recent rise of “Software as a Service (SaaS)” is a term that was born out of a few years ago by application service providers