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Technical Report HW-MACS-TR-0018


TitleThe Relational Grid Monitoring Architecture: Mediating Information about the Grid
AuthorsAndy Cooke, Alasdair Gray, Werner Nutt, James Magowan, Manfred Oevers, Paul Taylor, Roney Cordenonsi, Rob Byrom, Linda Cornwall, Abdeslem Djaoui, Laurence Field, Steve Fisher, Steve Hicks, Jason Leake, Robin Middleton, Antony Wilson, Xiaomei Zhu, Norbert Podhorszki, Brian Coghlan, Stuart Kenny, David O'Callaghan, John Ryan
Date2004-06-11
AbstractWe have developed and implemented the Relational Grid Monitoring Architecture (R-GMA) as part of the DataGrid project, to provide a exible 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 and design of R-GMA as deployed on the DataGrid testbed. We also describe some of the ways in which R-GMA is being used. Keywords: DataGrid, Grid information system, Grid monitoring, Grid monitoring architecture, R-GMA
GroupDatabases
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