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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Using Network Information to Perform Meta-scheduling in Advance in Grids
verfasst von : Luis Tomás, Agustín Caminero, Blanca Caminero, Carmen Carrión
Erschienen in: Euro-Par 2010 - Parallel Processing
Verlag: Springer Berlin Heidelberg
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In extremely heterogeneous and distributed systems, like Grid environments, it is quite difficult to provide quality of service (QoS). In addition, the dynamic behaviour of the resources makes the time needed to complete the execution of a job highly variable. So, fulfilling the user QoS requirements in a Grid is still an open issue. The main aim of this work is to provide QoS in Grid environments through network-aware job scheduling in advance. This paper presents a technique to manage idle/busy periods of resources using red-black trees which considers the network as a first level resource. Besides, no
a priori
knowledge on the duration of jobs is required, as opposed to other works. A performance evaluation using a real testbed is presented which illustrates the efficiency of this approach to meet the QoS requirements of users, and highlights the importance of taking the network into account when predicting the duration of jobs.