An Effective Local Routing Strategy on the Communication Network

被引:0
|
作者
Li, Yu-jian [1 ,2 ]
Wang, Bing-hong [1 ]
Xi, Zheng-dong [2 ]
Yin, Chuan-yang [3 ]
Yang, Han-xin [1 ]
Sun, Duo [1 ]
机构
[1] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China
[2] Control Sea China, Dept Satellite Measurement, Jiangyin 214400, Peoples R China
[3] Nanjing Univ Informat Sci & Technol, Nanjing 210000, Peoples R China
来源
COMPLEX SCIENCES, PT 1 | 2009年 / 4卷
基金
中国国家自然科学基金;
关键词
complex networks; scale-free; local routing strategy; SCALE-FREE NETWORKS; TRAFFIC DYNAMICS; COMPLEX NETWORKS;
D O I
暂无
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper, we propose an effective routing strategy on the basis of the so-called nearest neighbor search strategy by introducing a preferential cut-off exponent K. We assume that the handling capacity of one vertex is proportional to its degree when the degree is smaller than K, and is a constantC(0) otherwise. It is found that by tuning the parameter alpha, the scale-free network capacity measured by the order parameter is considerably enhanced compared to the normal nearest-neighbor strategy. Traffic dynamics both near and far away from the critical generating rate R-c, are discussed. Simulation results demonstrate that the optimal performance of the system corresponds to alpha = -0.5. Due to the low cost of acquiring nearest-neighbor information and the strongly improved network capacity, our strategy may be useful and reasonable for the protocol designing of modem communication networks.
引用
收藏
页码:1118 / +
页数:2
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