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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Communication Contention Reduction in Joint Scheduling for Optical Grid Computing
(Invited Paper)
verfasst von : Yaohui Jin, Yan Wang, Wei Guo, Weiqiang Sun, Weisheng Hu
Erschienen in: Networks for Grid Applications
Verlag: Springer Berlin Heidelberg
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Optical network, which can provide guaranteed quality of service (QoS) connections, is considered as a promising infrastructure for grid computing to solve more and more complex scientific problems. When optical links are regarded as resources and jointly scheduled with other grid resources, communication contention must be taken into consideration for efficient task scheduling. This paper models the optical grid computing as a communication-aware Directed Acyclic Graph (DAG) scheduling problem. To reduce the communication contention, we propose to use hop-bytes metric (HBM) heuristic to select computing resource. Simulation results show that the HBM approach combined with the adaptive routing scheme can achieve better performance in terms of normalized schedule length and link utilization.