广西师范大学学报（自然科学版） ›› 2016, Vol. 34 ›› Issue (2): 46-53.doi: 10.16088/j.issn.1001-6600.2016.02.007

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多路径并行传输的路径动态决策方法

陶晓玲1,2, 于萌2, 王勇3   

  1. 1.桂林电子科技大学广西高校云计算与复杂系统重点实验室,广西桂林541004;
    2.桂林电子科技大学信息与通信学院,广西桂林541004;
    3.桂林电子科技大学广西可信重点实验室,广西桂林541004
  • 收稿日期:2016-03-31 出版日期:2016-06-25 发布日期:2018-09-14
  • 通讯作者: 陶晓玲(1977—),女,浙江金华人,桂林电子科技大学副研究员。E-mail:txl@guet.edu.cn
  • 基金资助:
    国家自然科学基金资助项目(61363006,61163058);广西高校云计算与复杂系统重点实验室资助项目(14104);桂林电子科技大学研究生教育创新计划资助项目(YJCXS201516)

Dynamic Selection Method of Path for Concurrent Multipath Transfer

TAO Xiaoling1,2, YU Meng2, WANG Yong3   

  1. 1. Guangxi Colleges and Universities Key Laboratory of Cloud Computing and Complex Systems, Guilin University ofElectronic Technology, Guilin Guangxi 541004, China;
    2.College of Information and Communication, Guilin Universityof Electronic Technology, Guilin Guangxi 541004, China;
    3. Guangxi Key Laboratory of Trusted Software, GuilinUniversity of Electronic Technology, Guilin Guangxi 541004, China
  • Received:2016-03-31 Online:2016-06-25 Published:2018-09-14

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摘要： 针对目前多路径并行传输过程中,由于传输路径质量的差异会导致网络传输性能整体下降的问题,提出一种多路径并行传输的路径动态决策方法 (concurrent multipath transfer-dynamic selection,CMT-DS)。该方法考虑到路径传输质量对网络吞吐量的影响,通过测量时延、抖动、丢包率、缓存占用比4个路径传输属性,并拟合成路径质量的关联函数,根据该关联函数来对路径进行动态的选择。通过实验验证,结果表明:CMT-DS方法对属性参数测量趋近于Spirent网络测试仪测量结果,对路径动态的选择较其他方法可使得网络吞吐量提高12.07%。

关键词: 多路径并行传输, 路径质量, 动态决策, 网络性能

Abstract: In the multi-path parallel transmission process, due to the differences in the quality of the transmission path, the overall performance declines in the network transmission. To overcome this problem, a multi-path parallel transmission path dynamic decision method (concurrent multipath transfer-dynamic selection, CMT-DS) is proposed in this article. Taking into account the influence of path transmission quality on network throughput, by measuring the time delay, jitter, packet loss rate and cache occupancy ratio in the network transmission,the correlation function of the quality of the path is established and the path is selected dynamically based on the correlation function.Experimental results show that the CMT-DS method is more close to the measurement results of the Spirent network test instrument, and the choice of dynamic path improves the network throughput by 12.07%.

Key words: concurrent multipath transfer, quality of path, dynamic selection, network performance

中图分类号: 

  • TP393.02
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