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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Mediator-Free Secure Policy Interoperation of Exclusively-Trusted Multiple Domains
verfasst von : Xingang Wang, Dengguo Feng, Zhen Xu, Honggang Hu
Erschienen in: Information Security Practice and Experience
Verlag: Springer Berlin Heidelberg
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The current schemes for security policy interoperation in multi-domain environments are based on a centralized mediator, where the mediator may be a bottleneck for maintaining the policies and mediating cross-domain resource access control. In this paper, we present a mediator-free scheme for secure policy interoperation. In our scheme, policy interoperation is performed by the individual domains, for which, a distributed multi-domain policy model is proposed, and distributed algorithms are given to create such cross-domain policies. Specially, the policies are distributed to each domain, and we ensure that the policies are consistent and each domain keeps the complete policies it shall know.