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    The Effects of Link and Node Capacity on Traffic Dynamics in Weighted Scale-Free Networks

    Access Status
    Fulltext not available
    Authors
    Hu, Mao Bin
    Jiang, R.
    Wu, Yong Hong
    Wu, Q.
    Date
    2009
    Type
    Book Chapter
    
    Metadata
    Show full item record
    Citation
    Hu, Mao Bin and Jiang, Rui and Wu, Yong Hong and Wu, Qing Song. 2009. The Effects of Link and Node Capacity on Traffic Dynamics in Weighted Scale-Free Networks, Complex Sciences. pp. 580-588. Berling Heidelberg: Springer.
    Source Title
    Complex Sciences
    ISBN
    9783642024658
    Faculty
    School of Science and Computing
    Department of Mathematics and Statistics
    Faculty of Science and Engineering
    Remarks

    The original publication is available at : http://www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/24144
    Collection
    • Curtin Research Publications
    Abstract

    The effect of link and node capacity on traffic dynamics are investigated in weighted scale-free networks by adopting a traffic routing model with local node strength information. The link bandwidth is controlled by: Bij = max(βwij , 1), and the capacity of nodes is controlled by: max(γsi, 1). The phase transition from free flow to congestion is reproduced. The optimal routing strategy is sought out. When β increases from zero, the optimal strategy changes from preferring low-strength nodes to high-strength nodes. When β ≈ 1.0, there will be two optimal routing strategies. When β is low, the system’s behavior is controlled by link bandwidth, while it is controlled by node capacity when β is high. Our work may be useful for the design of modern traffic systems and communication networks.

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