An architecture approach to dynamic policy in RBAC

Authors:
Cheng Zang;Zhongdong Huang;Ke Chen;Jinxiang Dong
Affiliations:
College of Computer Science, Zhejiang University, Hangzhou, P.R. China;College of Computer Science, Zhejiang University, Hangzhou, P.R. China;College of Computer Science, Zhejiang University, Hangzhou, P.R. China;College of Computer Science, Zhejiang University, Hangzhou, P.R. China
Venue:
CSCWD'06 Proceedings of the 10th international conference on Computer supported cooperative work in design III
Year:
2006

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Abstract

Dynamic policy enables the system to adjust the policies according to the changing circumstance, and makes the system more flexible and adaptive. We have proposed a dynamic model and the idea is to dynamically change the policy according to a pair of states rather than one state, which provides more information for the policy decision making, thus makes policy more accurate. The dynamic policy architecture based on this model is built in this paper, and we describe the components and steps of detecting a change, deciding the pair of current and previous states and picking up the policy according to the change.