| Internet AS层网络的演化分析 |
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| 引用本文： | 王林,张书延.Internet AS层网络的演化分析[J].系统工程学报,2010,25(1). |
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| 作者姓名： | 王林 张书延 |
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| 作者单位： | 西安理工大学电子工程系,陕西,西安710048 |
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| 基金项目： | 陕西省自然科学基础研究计划资助项目 |
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| 摘 要： | InternetAS层网络是一个无标度网络,然而其拓扑结构并非一成不变.从度值最大的10%的节点度值占总度值的百分比随时间的变化关系,以及节点的度方差,度秩指数,Gini系数,网络结构熵,聚集系数以及平均路径长度等随时间的变化关系这7个方面研究了InternetAS层网络的连接随时间的变化情况,并进行了相应分析,指出了这种变化的可能原因.
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| 关 键 词： | 无标度网络 Gini系数 网络结构熵 度秩指数 度方差 |
Analysis for evolution of Internet at AS level |
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| WANG Lin,ZHANG Shu-yan.Analysis for evolution of Internet at AS level[J].Journal of Systems Engineering,2010,25(1). |
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| Authors: | WANG Lin ZHANG Shu-yan |
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| Institution: | WANG Lin,ZHANG Shu-yan(Department of Electronic Engineering,Xi\'an University of Technology,Xi\'an 710048,China) |
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| Abstract: | According to the relevant research,scale-free property exists in the topology of the Internet at the autonomous system(AS) level.However,its properties do change with time.This paper studies how the connection of the Internet at the AS level changes with time by calculating the proportion of the degrees of 10% nodes with largest degrees to the total degrees in the networks,the degree variance,the degree-rank exponent,Gini coefficient,the network structure entropy,the clustering coefficient and the average p... |
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| Keywords: | scale-free network Gini coefficient network structure entropy degree-rank exponent degree variance |
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