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An Efficient Bandwidth Allocation Strategy For Scale-Free Networks

Author

Listed:
  • 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)

  • 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)

  • 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)

  • SHU-JUAN WANG

    (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)

  • DONG-CHAO GUO

    (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)

Abstract

Traffic capacity is critical for various networks and strongly depends on the distribution of link's bandwidth resources. In this paper, we propose a betweenness-based bandwidth allocation strategy in which the bandwidth of each linklijis allocated proportionally to the product(1 + Bi)α(1 + Bj)α, where α is a tunable parameter, andBiandBjare the betweenness of nodeiand nodej, respectively. The optimal value of α is achieved by extensive simulations and slightly increases with the network size. Our new bandwidth allocation strategy achieves the highest traffic capacity when compared with the average bandwidth allocation strategy and the previously proposed degree-based bandwidth allocation strategy. Our work will be beneficial for network service providers to improve the traffic capacity by efficiently allocating or reallocating the overall finite link's bandwidth resources of networks such as the Internet, urban transport networks and airway networks.

Suggested Citation

  • Zhong-Yuan Jiang & Man-Gui Liang & Shuai Zhang & Shu-Juan Wang & Dong-Chao Guo, 2012. "An Efficient Bandwidth Allocation Strategy For Scale-Free Networks," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 23(10), pages 1-9.
    • Handle: RePEc:wsi:ijmpcx:v:23:y:2012:i:10:n:s0129183112500659
    DOI: 10.1142/S0129183112500659
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