本文首先介绍了云计算的定义，产生的原动力，原理及特点，对云计算有一个大致的了解。其次介绍了云计算的核心技术与服务模式，对云计算深层次的了解。最后介绍了云计算的应用于信息安全，概述云计算的发展前景。

在文章的末尾给出了高性能计算和分布式计算，从侧面对云计算作进一步了解。

-This paper first introduces the definition of cloud computing, the driving force, the principle and characteristics of cloud computing, to have an approximate understanding. Followed by the introduction of the cloud computing and service models of cloud computing, a deep understanding. Finally it introduces the application of cloud computing on the information security, an overview of the development prospect of cloud computing.



At the end of the article gives high performance computing and distributed computing, from the side of cloud computing for further understanding.