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中文摘要：
安全问题是云计算应用最受关注的问题之一,云计算的资源虚拟化、分布性和动态性等特性使得云安全成为具有挑战性的课题。从云计算的结构特征分析出发,对云计算安全模型的结构和构件进行了剖析,从预防、监控、响应等3个阶段阐述了云安全管理模式,并对云数据安全策略的粘性管理机制进行分析。
英文摘要：
Security problem is one of the most concerned issues in cloud computing application.Features of cloud computing such as resource virtualization,distributed locations,behavioral dynamics,make its security a challenging problem.This paper addresses security models and management in cloud computing.Characteristics of cloud computing architectures are analyzed.A security framework of cloud computing and its components are proposed.Three phases of security management mode in cloud computing,i.e.,protection,monitoring and response,are presented.A sticky cloud data security policy model and its management mechanisms are articulated as well.
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