The ARC Information System: overview of a GLUE2 compliant production system

Le résumé fourni par la source

Information system is the backbone of any kind of a distributed Grid system.NorduGrid ARC was one of the first middlewares that came with a reliable and comprehensive information system architecture.This solution, initially inspired by an LDAP-based approach of Globus, has been used as a distributed dynamic database for Grid resource discovery and monitoring in research infrastructures for many years.This paper gives an overview of the system architecture, the underlying technology and features.Although the original ARC information system came with a custom information schema, the standard GLUE2 model is being broadly endorsed by middleware developers now.ARC contributed to the GLUE2 development, and is among the first to implement it, as described in this paper.Ongoing new developments targeting further convergence and harmonization of otherwise different Grid information systems is also discussed.

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