【摘要】 本文详细分析了基于P2P协同设计系统访问控制对象及特点,提出分布执行的RBAC访问控制模型,实现RBAC模型的策略模块与执行模块的分离。这样,既有安全性高的集中式全局访问控制策略,又通过分布式执行消除瓶颈提高系统响应速度。更多还原

【Abstract】 The objects and characteristics of access control in the P2P-based collaborative design system are analyzed in detail,and a distributed RBAC model which separates the policy modules and execution modules is given.Then,the collaborative design system features highly secure global access control policies and high response speed based on distributed execution to reduce bottlenecks.更多还原