华东师范大学学报(自然科学版) ›› 2019, Vol. 2019 ›› Issue (2): 69-76,96.doi: 10.3969/j.issn.1000-5641.2019.02.008

• 计算机科学 • 上一篇    下一篇

无标度网络局部信息的动态路由算法

韩定定1, 柳康2, 唐明2   

  1. 1. 复旦大学 信息科学与工程学院, 上海 200433;
    2. 华东师范大学 信息科学技术学院, 上海 200241
  • 收稿日期:2018-03-02 出版日期:2019-03-25 发布日期:2019-03-27
  • 作者简介:韩定定,女,教授,博士生导师,研究方向为复杂网络与智能信息处理.E-mail:ddhan@fudan.edu.cn.
  • 基金资助:
    国家自然科学基金(11875133)

Dynamic routing algorithm based on local information in a free-scale network

HAN Ding-ding1, LIU Kang2, TANG Ming2   

  1. 1. School of Information Science and Technology, Fudan University, Shanghai 200433, China;
    2. School of Information Science and Technology, East China Normal University, Shanghai 200241, China
  • Received:2018-03-02 Online:2019-03-25 Published:2019-03-27

摘要: 提出了一个在无标度网络上基于局部信息的数据包路由算法,该路由算法引入两个可调参数αβ,分别调节度值与队列长度的路由偏好.通过调节这两个参数来改变网络的传输容量,并找到了该算法的最佳参数组合.对其他动态特性包括平均路由时间和流量负载也进行了相应研究.模拟仿真研究表明,该路由算法较传统的局部路由算法,不仅降低了网络的丢包率,而且提高了网络的传输能力.实证研究证明,基于局部信息的无标度网络动态路由算法对大规模通信网络的拥塞有一定的改善作用.

关键词: 无标度网络, 动态路由算法, 局部信息, 传输容量, 拥塞

Abstract: We proposed a packet routing algorithm with two tunable parameters, α and β, which control the routing preference of degree and queue length, respectively, based on local information in a scale-free network. By adjusting the parameters to change network transmission capability, we found an optimal combination of the two parameters.Other dynamic properties, including average packet travel time and traffic load were also studied. Simulation research showed that the proposed algorithm not only reducedpacket loss rates, but also improved transmission capability and alleviated traffic congestion. We also compared the algorithm with other classical routing algorithms, based on real networks, and the proposed algorithm also displayed good results.

Key words: scale-free network, dynamic routing algorithm, local information, transmission capability, congestion

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