摘要：云计算被认为是继个人计算机、互联网之后的第三次IT浪潮，它与其说是技术上的一种革新，不如说是商业模式上的一种变革，它可以让用户像用水、用电一样使用IT服务。从服务模式的不同，可以将云计算分为三...
Abstract cloud computing is considered to be the third it wave after the personal computer and the Internet, and said is a reformation of technology than is a change in the business model, it can be to let users like water and electricity as the use of IT services. From the service mode of the different, can be divided into three cloud computing...
