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Queue Resource Reallocation Strategy For Traffic Systems In Scale-Free Network

Author

Listed:
  • SHUAI ZHANG

    (Institute of Information Science, Beijing Jiaotong University, Beijing 100044, P. R. China;
    Beijing Key Laboratory of Advanced, Information Science and Network Technology, Beijing 100044, P. R. China)

  • MAN-GUI LIANG

    (Institute of Information Science, Beijing Jiaotong University, Beijing 100044, P. R. China;
    Beijing Key Laboratory of Advanced, Information Science and Network Technology, Beijing 100044, P. R. China)

  • ZHONG-YUAN JIANG

    (Institute of Information Science, Beijing Jiaotong University, Beijing 100044, P. R. China;
    Beijing Key Laboratory of Advanced, Information Science and Network Technology, Beijing 100044, P. R. China)

  • HUI-JIA LI

    (Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, P. R. China)

Abstract

In real communication systems, each node has a finite queue length to store packets due to physical constraints. In this paper, we propose a queue resource allocation strategy for traffic dynamics in scale-free networks. With a finite resource of queue, the allocation of queue length on nodeiis based onBi, whereBiis the generalized betweenness centrality of nodei. The overall traffic capacity of a network system can be evaluated by the critical packet generating rate(Rc). Through the use of the proposed queue allocation scheme for the shortest path protocol and efficient routing protocol, our strategy performs better than the uniform queue length allocation strategy, which is demonstrated by a larger value of the critical generating rate. We also give a method to estimate the network traffic capacity theoretically.

Suggested Citation

  • Shuai Zhang & Man-Gui Liang & Zhong-Yuan Jiang & Hui-Jia Li, 2013. "Queue Resource Reallocation Strategy For Traffic Systems In Scale-Free Network," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 24(03), pages 1-11.
    • Handle: RePEc:wsi:ijmpcx:v:24:y:2013:i:03:n:s0129183113500137
    DOI: 10.1142/S0129183113500137
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