The Relational Grid Monitoring Architecture: Mediating Information about the Grid

Abstract

We have developed and implemented the Relational Grid Monitoring Architecture (R-GMA) as part of the DataGrid project, to provide a flexible information and monitoring service for use by other middleware components and applications. R-GMA presents users with a virtual database and mediates queries posed at this database: users pose queries against a global schema and R-GMA takes responsibility for locating relevant sources and returning an answer. R-GMA’s architecture and mechanisms are general and can be used wherever there is a need for publishing and querying information in a distributed environment. We discuss the requirements, design and implementation of R-GMA as deployed on the DataGrid testbed. We also describe some of the ways in which R-GMA is being used.

DOI: 10.1007/s10723-005-0151-6

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@article{Cooke2004TheRG, title={The Relational Grid Monitoring Architecture: Mediating Information about the Grid}, author={Andrew W. Cooke and Alasdair J. G. Gray and Werner Nutt and James Magowan and Manfred Oevers and Paul Taylor and Roney Cordenonsi and Rob Byrom and Linda Cornwall and Abdeslem Djaoui and Laurence Field and Steve Fisher and Steve Hicks and Jason Leake and Robin Middleton and Antony J. Wilson and Xiaomei Zhu and Norbert Podhorszki and Brian A. Coghlan and Stuart Kenny and David O'Callaghan and John Ryan}, journal={Journal of Grid Computing}, year={2004}, volume={2}, pages={323-339} }