基于Quorum系统的分布式访问控制框架研究  

Research on Quorum System-based Framework for Distributed Access Control

作　　者：熊庭刚[1,2] 卢正鼎[1] 张家宏[2] 马中[2] 

机构地区：[1]华中科技大学计算机科学与技术学院,武汉430074 [2]武汉数字工程研究所,武汉430074

出　　处：《计算机科学》2010年第5期91-94,111,共5页Computer Science

摘　　要：从通用访问控制系统出发,提出以quorum系统来设计访问控制框架,给出了基于互斥协议的quorum分布式访问控制系统(MQ-DACS),以在保持高效率的情况下,提高访问控制决策的稳定性和安全性。进一步分析了在系统结点不可靠的环境中,系统能并行执行的访问控制容量同系统可用性之间的关系,并给出了最佳方案的选取依据。By researching on generalized system for access control, the paper put forward an access control framework adopting quorum system, and presented a mutual quorum distributed access control system, with the high efficiency and the stability and security. Furthermore, the relation of system capability and system availability under the circumstance that the system nodes are not reliable was analyzed,and a result was given that the mode of the optimization of the entire system considers the capability and availability.

关 键 词：分布式访问控制 访问控制框架 QUORUM系统 可用性 访问控制容量 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]