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自2006年Google首席执行官Eric Schmidt在搜索引擎大会首次提出“云计算”(Cloud Computing)的概念后,云计算技术在各个领域得到迅猛发展和应用,被称为继PC、互联网之后的第三次IT革命。云计算是一种IT资源的使用模式,通俗讲是将大量用网络连接的计算资源统一管理和调度,构成一个计算资源池,为用户按需服务。通过云计算模式,计算能力可以像水、电一样的商品进行流通,使用方便,花费低廉。
Since Eric Schmidt, chief executive of Google in 2006, first proposed the concept of “Cloud Computing” at the search engine conference, cloud computing technology has been rapidly developed and applied in various fields, and is called as following PC and Internet The third IT revolution. Cloud computing is a kind of IT resource usage model, popularly speaking, a large number of computing resources connected by a network are uniformly managed and scheduled to form a computing resource pool, which serves users on demand. Through the cloud computing model, computing power can be like water, electricity, the same commodity circulation, easy to use, low cost.