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综述了云计算的兴起背景、服务模式、关键技术、适用用户等有关云计算构建中需要思考的关键问题;概要介绍了国内云计算应用的现状和政府行业云的建设模式;重点探讨了面向云计算的政府数据中心在设备规模的扩展、硬件资源的虚拟化调度、服务模式的转型和节能环保要求等方面的变化,以及因此带来的数据中心对网络设备要求的变化。
This paper summarizes the key issues that need to be considered in the cloud computing construction such as the rise background, service mode, key technologies and applicable users of cloud computing. It also introduces the current situation of cloud computing application and the construction mode of government industry cloud. The calculation of the government data center in the expansion of equipment size, hardware resources, virtualization scheduling, service mode transformation and energy saving requirements and other changes, and the resulting changes in the data center network equipment requirements.