A trust management model for PACS-grid

Authors:
Hyun-Sook Cho;Bong-Hwan Lee;Kyu-Won Lee
Affiliations:
Department of Information & Communications Engineering, Daejeon University, Daejeon, Korea;Department of Information & Communications Engineering, Daejeon University, Daejeon, Korea;Department of Information & Communications Engineering, Daejeon University, Daejeon, Korea
Venue:
ICCSA'07 Proceedings of the 2007 international conference on Computational science and Its applications - Volume Part II
Year:
2007

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Abstract

Grid technologies make it possible for IT resources to be shared across organizational and security domains. The traditional identity-based access control mechanisms are unscalable and difficult to manage. Thus, we propose the FAS (Federation Agent Server) model which is composed of three modules: Certificate Conversion Module (CCM), Role Decision Module (RDM), and ADM (Authorization Decision Module). The proposed FAS model is an extended Role-Based Access Control (RBAC) model which provides resource access capabilities based on roles assigned to the users. FAS can solve the problem of assigning multiple identities to a shared local name in Grid map file and mapping the remote entity's identity to a local name manually.