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一种基于QoS的网格资源选择优化模型 被引量:2

QoS-based grid resource selection optimization model
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摘要 大量任务请求使用网格资源时,必须进行合理调度和资源分配才能提供较高的服务质量。通过对网格QoS几个重要属性进行量化,以最大化系统服务性价比为目标,提出了一种基于退火遗传算法的网格资源选择优化模型,并介绍了算法的详细流程。最后,通过仿真实验验证了该模型的有效性。 In order to provide high quality of service,rational scheduling and resource allocation are needed when a great many of tasks requesting grid resources.By quantifying some important properties of Grid QoS and maximizing cost-performance ratio of the system,it provides a grid resource selection optimization model based on GASA,and introduces the flow of the algorithm.Finally,it testifies the validity of this model by an emulation experiment.
出处 《计算机工程与应用》 CSCD 北大核心 2008年第8期142-144,共3页 Computer Engineering and Applications
基金 国家重点资助项目(No.BP200301036)
关键词 网格 资源选择 QOS 遗传算法 模拟退火 grid resource selection QoS genetic algorithm simulated annealing
作者简介 齐宁(1983-),男,硕士研究生,主要研究方向为分布式系统; 黄永忠(1968-),男,导师,副教授,主要研究方向为分布式系统、信息安全; 陈海勇(1978-),男,博士研究生,主要研究方向为分布式系统、信息安全; 兰明敬(1981-),男,博士研究生,主要研究方向为分布式系统、信息安全.
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