《云计算研究综述：体系架构与关键技术》.pdf

32 7 Vol.32 No.7 20 11 7 Journal on Communications July 2011 ( 2 11189) 3 TP393 A 1000-436X(20 11)07-0003-19 Cloud computing: architecture and key technologies LUO Jun-zhou, JIN Jia-hui, SONG Ai-bo, DONG Fang (School of Computer Science and Engineering, Southeast University, Nanj ing 211189, China) Abstract: Based on the analysis and summary of the previous work, the cloud computing framework can be divided into three layers: core cloud services, cloud service management and user access interface. To realize low-cost, reliable, available and scalable cloud services, the up-to-date key technologies and research progresses of the three layers within the cloud framework are reviewed intensively and extensively. Regarding cloud infrastructure, the strategies for data cen- ter design and management are introduced together with the virtualization technology. In respect of large-scale data proc- essing, several platforms and their resource management and task scheduling mechanisms are investigated extensively. With regard to cloud service quality, both QoS guarantee and security/privacy protection are discussed in depth. The prospects for futur