Access control, reverse access control and replication control in a world wide distributed system

被引:0
|
作者
Popescu, BC [1 ]
Gamage, C [1 ]
Tanenbaum, AS [1 ]
机构
[1] Free Univ Brussels, B-1050 Brussels, Belgium
关键词
distributed systems; replicated objects; security; access control; digital certificates;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper we examine several access control problems that occur in an object-based distributed system that permits objects to be replicated on multiple machines, First, there is the classical access control problem, which relates to which users can execute which methods. Second, we identified a reverse access control problem, which concerns which replicas can execute which methods for authorized users. Finally, there is the issue of how updates are propagated securely from replica to replica, Our solution uses roles and preserves the scalability needed in a world-wide distributed system.
引用
收藏
页码:155 / 167
页数:13
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