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随着面向服务架构(SOA)的出现以及企业信息化的迅速发展,企业应用系统的安全问题越来越重要,因此,必须为企业系统提供更有效的访问控制模型,分析一些流行的访问控制策略、访问控制机制和访问控制模型,然后对基于角色的访问控制模型进行改进。
With the advent of service-oriented architecture (SOA) and the rapid development of enterprise informationization, the security of enterprise application system is more and more important. Therefore, it is necessary to provide enterprise systems with more effective access control model and analyze some popular access control policies , Access control mechanism and access control model, and then improve the role-based access control model.