Managing security policies in a distributed environment using eXtensible markup language (XML)
Proceedings of the 2001 ACM symposium on Applied computing
The Policy Machine for Security Policy Management
ICCS '01 Proceedings of the International Conference on Computational Science-Part II
An Approach for Modeling and Analysis of Security System Architectures
IEEE Transactions on Knowledge and Data Engineering
Requirements for scalable access control and security management architectures
ACM Transactions on Internet Technology (TOIT)
An agent and RBAC model to secure cooperative information systems
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
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Coordinating security policies in information enclaves is challenging due to their heterogeneity and autonomy. Administrators must reconcile the semantic diversity of data and security models before negotiating secure interoperation. This paper proposes an architecture that uses mediators and a primitive ticket-based authorization model to manage disparate policies in loosely coupled information system federations. The formal foundation of the architecture facilitates static and dynamic analysis of global consistency and policy enforcement.