信息技术的飞速发展潜移默化地影响着人们的生活,从广播、电视、电话到计算机再到互联网,无不深刻地改变着人们的生活方式和工作方式。自从2008年“云计算”概念不断走强,云计算作为一种新兴的、备受关注的技术,以超强的计算能力和低廉的运行成本受到各界青睐,一经推出就得到了业界人士大力推崇,并逐步走进公众的视野。云计算被视为科技界的下一次革命,它是一种融合性技术,其涉及的技术十分广泛。它是分布式处理、并行处理、网格计算和网络存储的进 The rapid development of information technology has a subtle influence on people’s life, from radio, television, telephone to computer to the Internet, all profoundly changing people’s life style and working style. Since 2008, the concept of “Cloud Computing” has been continuously strengthened. As a new and popular technology, cloud computing has been favored by all walks of life for its supercomputing power and low operating cost. Respected, and gradually into the public field of vision. Cloud computing is seen as the next revolution in technology, and it is a fusion technology that involves a wide range of technologies. It is distributed processing, parallel processing, grid computing and network storage into