Dynamic policy management framework for partial policy information

Authors:
Chiu-Man Yu;Kam-Wing Ng
Affiliations:
Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, New Territories, SAR, Hong Kong;Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, New Territories, SAR, Hong Kong
Venue:
EGC'05 Proceedings of the 2005 European conference on Advances in Grid Computing
Year:
2005

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Abstract

A Grid can support organized resource sharing between multiple heterogeneous Virtual Organizations. A Virtual Organization can be considered to be an administrative domain consisting of hosts from different networks. The dynamic VO membership organization of Grid computing and heterogeneous VOs are major challenges to policy management. We propose a Dynamic Policy Management Framework (DPMF) to resolve the problems. DPMF groups VOs of same policy framework to form a virtual cluster. Policy management is divided into inter-cluster heterogeneous policy management, and intra-cluster homogeneous policy management. Inside a virtual cluster, policy agents of the VOs form trust relationship hierarchy for distributing the works of policy conflict analysis. Conflict Analysis with Partial Information (CAwPI) mechanism is developed to provide an approach to analyze policy conflict in open environments without complete policy information.