Dynamic trust federation in grids

Authors:
Mehran Ahsant;Mike Surridge;Thomas Leonard;Ananth Krishna;Olle Mulmo
Affiliations:
Center for Parallel Computers, Royal Institute of Technology, Stockholm, Sweden;IT-Innovation Center, University of Southampton, Southampton, UK;IT-Innovation Center, University of Southampton, Southampton, UK;IT-Innovation Center, University of Southampton, Southampton, UK;Center for Parallel Computers, Royal Institute of Technology, Stockholm, Sweden
Venue:
iTrust'06 Proceedings of the 4th international conference on Trust Management
Year:
2006

Citing 2
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Abstract

Grids are becoming economically viable and productive tools. They provide a way of utilizing a vast array of linked resources such as computing systems, databases and services online within Virtual Organizations (VO). However, today's Grid architectures are not capable of supporting dynamic, agile federation across multiple administrative domains and the main barrier, which hinders dynamic federation over short time scales is security. Federating security and trust is one of the most significant architectural issues in Grids. Existing relevant standards and specifications can be used to federate security services, but do not directly address the dynamic extension of business trust relationships into the digital domain. In this paper we describe an experiment which highlights those challenging architectural issues and forms the basis of an approach that combines a dynamic trust federation and a dynamic authorization mechanism for addressing dynamic security trust federation in Grids. The experiment made with the prototype described in this paper is used in the NextGRID project to define the requirements of next generation Grid architectures adapted to business application needs.