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Grid Information Services Management System Guide

Explore configuration, performance, monitoring, and various information services like MDS2, LDAP, and relational databases for efficient grid entity data management. Learn about different design options and hierarchies for seamless user interaction.

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Grid Information Services Management System Guide

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  1. Information Services • Configuration, performance, monitoring, … , the information about the grid entities should be made available to the users /applications in a timely, consistent & easy to use manner. • An understanding of alternative designs of a Grid information service. (MDS2/LDAP/Directory services, Relational databases, and MDS3/Grid services)

  2. MDS2/LDAP/Directory Services • Hierarchical model. • Pro: Naturally decomposes across administrative boundaries. • Con: cannot reflect complex relationships among data objects; perform poorly when frequently updates; lack of powerful query languages.

  3. Users Apps Producer Web SOAP Registry Authentication Query Mgr. Update Mgr. Consumer Oracle 9i Relational models RGIS R-GMA

  4. Some notes about relational models • RGIS: One server per site. representing, updating, querying. • R-GMA: one “RDBMS” per VO. It’s relational in the sense of SQL. Goes to web service.

  5. MDS3 (Grid Services) • Resource layer: Service data (XML). Service type (WSDL). • Collective layer: index, aggregator. • OGSA framework.

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