A categorized-registry model for grid resource publication and discovery using software agents

Authors:
Lei Cao;Minglu Li;Henry Rong;Joshua Huang
Affiliations:
Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China;E-Business Technology Institute, The University of Hong Kong, Hong Kong, China;E-Business Technology Institute, The University of Hong Kong, Hong Kong, China
Venue:
PDCAT'04 Proceedings of the 5th international conference on Parallel and Distributed Computing: applications and Technologies
Year:
2004

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Abstract

This paper presents a categorized-registry model for Grid Resource Publication and Discovery(GRPD) using software agents. We use Common Resource Model(CRM) specification to describe manageable resources as Open Grid Services Architecture(OGSA) services. We also adopt two-level registry mechanism to register corresponding resources of a Virtual Organization(VO) in order to obtain high GRPD efficiency. The “Index” node of a VO hosts the general registry. Other specific categorized registries are distributed in the VO. A large-scale Grid system may contain many VOs. “Index” nodes from various VOs connect to each other in Peer-to-Peer(P2P) mode instead of hierarchical mode. Software agent is a powerful high-level tool for modeling a complex software system. It is adopted to implement GRPD efficiently.