The relational grid monitoring architecture: Mediating information about the grid

A. W. Cooke, A. J.G. Gray, W. Nutt, J. Magowan, M. Oevers, P. Taylor, R. Cordenonsi, R. Byrom, L. Cornwall, A. Djaoui, L. Field, S. M. Fisher, S. Hicks, J. Leake, R. Middleton, A. Wilson, X. Zhu, N. Podhorszki, B. Coghlan, S. KennyD. O'Callaghan, J. Ryan

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

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.

Original languageEnglish
Pages (from-to)323-339
Number of pages17
JournalJournal of Grid Computing
Volume2
Issue number4
DOIs
StatePublished - 2004
Externally publishedYes

Keywords

  • Datagrid
  • Grid information system
  • Grid monitoring
  • Grid monitoring architecture
  • R-GMA

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