面向云服务组合的策略冲突检测机制

发布时间：2018-02-10 22:11

本文关键词： 云服务服务组合访问控制基于属性的访问控制策略冲突检测　出处：《计算机应用研究》2017年04期 　论文类型：期刊论文

【摘要】：针对云服务组合的策略冲突问题,研究了云服务中属性间关系及组件服务间组合关系的特点,提出了基本类型冲突、层次关系冲突、互斥关系冲突、组合关系约束冲突四种冲突类型;设计了能够直观表达策略中多种关系的策略生成图模型,该模型具有结构灵活、易于更新和动态扩展的优点;将冲突检测问题转换为图的连通性问题,提出了一种基于策略生成图模型的冲突检测机制,实现了对云环境下大规模策略集中冲突策略的高效检测。最后,开展仿真实验,验证、评估了检测机制的有效性和检测效率。
[Abstract]:Aiming at the policy conflict problem of cloud service composition, the characteristics of the relationship between attributes and component services in cloud services are studied, and the basic type conflict, hierarchical relation conflict and mutually exclusive relationship conflict are proposed. Four kinds of conflict types of combinational relationship constraint conflicts are designed, and a strategy generation graph model is designed, which can express many kinds of relationships in a strategy. The model has the advantages of flexible structure, easy updating and dynamic extension. The conflict detection problem is transformed into the connectivity problem of graph, and a conflict detection mechanism based on the model of policy generation graph is proposed, which realizes the efficient detection of large-scale policy concentration conflict strategy in cloud environment. Finally, the simulation experiment is carried out. Verify and evaluate the effectiveness and efficiency of the detection mechanism.
【作者单位】：信息工程大学;数学工程与先进计算国家重点实验室;信息保障技术重点实验室;
【基金】：国家“863”计划资助项目(2015AA011705,2012AA012704) 河南省自然科学基金资助项目(162300410334)
【分类号】：TP393.09

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