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背景和挑战云计算能帮助企业降低成本,提高运维效率,用最少的资源来满足最大化的需求。据Forrester Research显示,全球云计算应用已经规模开展,其市场规模将由2011年的407亿美元增至2020年的2410亿美元。其中IaaS(Infrastructure-as-a-Service)在2014年全球市场营收59亿美元,而SaaS(Software-as-a-Service)的市场空间将由2011年212亿美元飞速成长至2016年的928亿美元。近乎无限的计算能力和丰富多样的信息服务都可以通过云计算网络随时获得。随着应用规模的增长,云计算业务将继续
Background and Challenges Cloud computing can help businesses reduce costs, improve operational efficiency, and maximize resources with the least amount of resources. According to Forrester Research, the world’s cloud computing applications are already in full scale and their market size will increase from $ 40.7 billion in 2011 to $ 241 billion in 2020. Infrastructure-as-a-Service (IaaS) revenue in the global market for 2014 was 5.9 billion U.S. dollars, while SaaS (Software-as-a-Service) market will grow rapidly from 21.2 billion U.S. dollars in 2011 to 92.8 billion in 2016 Dollars. Nearly unlimited computing power and a wealth of information services can be readily available through the cloud computing network. As the application grows in size, the cloud computing business will continue