Data services on the NGS

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Presentation transcript:

Data services on the NGS

Overview OGSA-DAI: data access and integration GridFTP: a protocol for large file transfer The Storage Resource Broker And also: ORACLE – available for data storage Induction to Grid Computing and the National Grid Service

Data services on NGS Simple data files Storage Resource Broker Middleware supporting Replica files Logical filenames Catalogue: maps logical name to physical storage device/file Virtual filesystems, POSIX-like I/O Storage Resource Broker Structured data RDBMS, XML databases Require extendable middleware tools to support Move computation near to data easy access, controlled by AA integration and federation OGSA -DAI Induction to Grid Computing and the National Grid Service

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