云计算与云平台云计算(cloud computing)是基于互联网的相关服务的增加、使用和交付模式,通常通过互联网来提供动态易扩展且经常是虚拟化的资源。云是网络、互联网的一种比喻说法。美国国家标准与技术研究院(NIST)给出的定义或许更容易理解:云计算是一种按使用量付费的模式,这种模式提供可用的、便捷的、按需的网络访问,使用者进入可配置的计算资源共享池(这个计算 Cloud Computing and Cloud Platforms Cloud computing is an add-on, delivery and delivery model of Internet-based services that typically provide dynamically scalable and often virtualized resources over the Internet. Cloud is the Internet, a metaphor. The definition given by the National Institute of Standards and Technology (NIST) may be easier to understand: Cloud computing is a pay-per-use model that provides accessible, convenient, on-demand web access, user access Configurable computing resource pool (this calculation