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An Efficient Protocol for Reserving Multiple Grid Resources in Advance
Zitatschlüssel Schneider2008
Autor Jörg Schneider and Julius Gehr and Barry Linnert and Thomas Röblitz
Buchtitel Grid and Services Evolution (Proceedings of the 3rd CoreGRID Workshop on Grid Middleware)
Seiten 189-204
Jahr 2008
ISBN 978-0-387-85965-1
DOI 10.1007/978-0-387-85966-8_14
Herausgeber Norbert Meyer and Domenico Talia and Ramin Yahyapour
Verlag Springer
Zusammenfassung We propose a mechanism for the co-allocation of multiple resources in Grid environments. By reserving multiple resources in advance, scientific simulations and large-scale data analyses can efficiently be executed with their desired quality-of-service level. Co-allocating multiple Grid resources in advance poses demanding challenges due to the characteristics of Grid environments, which are (1) incomplete status information, (2) dynamic behavior of resources and users, and (3) autonomous resources’ management systems. Our co-reservation mechanism addresses these challenges by probing the state of the resources and by enhancing a two-phase commit protocol with timeouts. We performed extensive simulations to evaluate communication overhead of the new protocol and the impact of the timeouts’ length on the scheduling of jobs as well as on the utilization of the Grid resources.
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Jörg Schneider