无标度网络的交通动力学行为研究

Abstract

Abstract: A packet routing strategy with a tunable parameter α based on the degree and the free-degree of the node is proposed,and the data transmission on BA scale-free network is studied.A large number of numerical simulations show that when the parameter α=0.5,the BA scale-free network achievesthe maximal communication capacity,the smallest average transmission time of data packets and the smallest network load.In comparison with the local routing strategy,this strategy could improve the network capacity and reduce the average transmission time of the packet.The study is meaningful for designing the routing protocol and controlling the congestion in actual communication networks.

Key words: route search, scale-free network, communication capacity, congestion control

CLC Number:

TP393

ZHOU Qiu-hua, ZOU Yan-li. Traffic Dynamics Based on Scale-free Networks[J].Journal of Guangxi Normal University(Natural Science Edition), 2010, 28(1): 6-9.

References

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Traffic Dynamics Based on Scale-free Networks

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