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Advancements in Grid Computing Standards: The Role of Unicore and OGSA

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This paper by Dr. David Snelling from Fujitsu Laboratories discusses high-impact, grid-like standards essential for the evolution of distributed services. It emphasizes WS-Addressing and other innovations that address fundamental needs in resource management and discovery. The work outlines key approaches such as WS-Notification and WS-Eventing while articulating the importance of standards like OGSA and JSDL. With an evolving framework incorporating OGSA profiles and security, it highlights critical developments in grid computing’s future.

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Advancements in Grid Computing Standards: The Role of Unicore and OGSA

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  1. Fujitsu Laboratories Unicore and Standards Dr. David Snelling Distributed Services Research Group Fujitsu Laboratories of Europe

  2. High Impact (Industry Wide) “Grid-Like” Standards • WS-Addressing • Meets addressing requirements missed in basic WSs • Uses structured identifiers and protocol rules • Is (at least theoretically) binding independent. • OGSI, WSRF, WS-Transfer, WS-Resource Transfer • Acknowledges patterns in management and discovery • Broad applicability • Clearly includes various approaches • WS-Notification, WS-Eventing, WS-Event Notification • Highlights a fundamental pattern in distributed systems • Critical space for standards • All the above comprise the OGSA Basic Profile

  3. Grid Computing’s Top Ten Standards • Stable • JSDL • OGSA-BES • GridFTP • OGSA Security Profile Core • OGSA Security Profile Secure Channel • Evolving with a Clear Direction • OGSA Basic Profile (Next Revision) • WS-Addressing, WS-Resource Transfer, WS-Event Notification • OGSA-AuthZ-SAML • Including WS-Security • Under Development • DMI • OGSA-RSS • OGSA Information Model

  4. Resource Broker Resource Database TSI Unicore Services Unicore Gateway Unicore Client OGSA Server A OGSA Server B User Database Unicore and Standards JSDL, OGSA Info* JSDL OGSA-BES* OGSA Base profile OGSA Sec. Profile DMI* GridFTP OGSA-RSS* OGSA-AuthZ-SAML* * Future plans or in process

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