Information Management for Computational Grids

Wei Jie; Tianyi Zang; Terence Hung; Stephen J. Turner; Wentong Cai

doi:10.4018/jwsr.2005070103

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Information Management for Computational Grids

Wei Jie (Institute of High Performance Computing, Singapore), Tianyi Zang (Institute of High Performance Computing, Singapore), Terence Hung (Institute of High Performance Computing, Singapore), Stephen J. Turner (Nanyang Technological University, Singapore) and Wentong Cai (Nanyang Technological University, Singapore)

Source Title: International Journal of Web Services Research (IJWSR) 2(3)

DOI: 10.4018/jwsr.2005070103

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Abstract

Information Service is a key component of a Grid environment and crucial to the operation of a computational Grid. This paper presents an Information Service for a computational Grid Virtual Organization (VO). The main functionality of this Information Service is the provision of information essential for applications running on a computational Grid. This Information Service is a hierarchical structure that consists of VO layer, site layer, and resource layer. We propose different models of information data organization for Information Service, and experiments were conducted to evaluate the performance of these models. Based on the experimental results, we further introduce the data organization model for our Information Service. The implementation of the Information Service is based on the Globus Toolkit and complies with the OGSI (Open Grid Services Infrastructure) specifications. In this paper, some application experiences of using the Information Service are also presented.

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