[1]赵科伟,洪龙,周宁宁. 基于QoS分类的任务调度算法研究[J].计算机技术与发展,2016,26(07):65-69.
　ZHAO Ke-wei,HONG Long,ZHOU Ning-ning. Research on Task Scheduling Algorithm Based on QoS Classification[J].,2016,26(07):65-69.
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 基于QoS分类的任务调度算法研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
26
期数:
2016年07期
页码:
65-69
栏目:
智能、算法、系统工程
出版日期:
2016-07-10

文章信息/Info

Title:
 Research on Task Scheduling Algorithm Based on QoS Classification
文章编号:
1673-629X（2016)07-0065-05
作者:
 赵科伟; 洪龙; 周宁宁
 南京邮电大学 计算机学院
Author(s):
 ZHAO Ke-wei ; HONG Long; ZHOU Ning-ning
关键词:
 ; 云计算 ; 任务调度; Min-Min ; 模糊聚类; 负载均衡
Keywords:
 ; cloud computing; task scheduling; Min-Min; fuzzy clustering; load balance
分类号:
TP301.6
文献标志码:
A
摘要:
 为了提高云服务供应商提供服务的质量和用户对云服务的满意度，文中提出了一种基于QoS分类的任务调度算法。该算法针对的是独立任务的调度，也就是任务之间没有依赖关系，因此该方法可以利用模糊聚类算法对任务集进行分类，然后采用传统的分段Min-Min算法进行任务的分配。分段Min-Min算法相比Min-Min算法是以更小粒度来分配资源，因此能提高任务和资源之间的匹配程度，在此基础上针对某些节点负载过重的情况采取优化方法，这样能进一步降低完成时间，同时取得了一定程度的负载均衡。实验结果表明，提出的改进方法既能满足用户的QoS需求，又能取得较短的完成时间。
Abstract:
 In order to improve the quality of cloud service providers and the satisfaction of users about cloud services,a task scheduling al-gorithm based on QoS classification is put forward. This algorithm is suited with independent tasks. Firstly,fuzzy clustering algorithm is used to classify task set. Then the traditional segmented Min-Min algorithm is applied for task allocation. Segmented Min-Min algorithm is more granular for resource allocation compared with the Min-Min algorithm,so it can improve the matching degree between task and resource. Only in this way can further reduce the completion time,and achieve a certain load balancing. The experimental results show that the proposed method can not only meet the needs of the user’s QoS,but also obtain shorter completion time.

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更新日期/Last Update: 2016-09-28