Internet路由级节点的度与核数的关系

针对目前对路由层面的Internet拓扑研究较少的问题,基于2006年1月至2006年12月采集的CAIDA Skitter项目授权的海量数据,对CAIDA路由层面拓扑探测数据进行了分析,描述了路由级节点度分布的幂率性.在此基础上计算出了更能体现网络拓扑层次性的各节点的核数,描述了节点核的幂率分布性质,进一步分析了节点核数与度之间的关系.研究表明,对低核节点,其度分布存在着幂率性质.

Relationship Between Degree and Core Number of Internet Nodes at Router Level

The Internet topology at router level is less focused on now.So,the massive data acquired in the period from January to December in 2006 and authorized by CAIDA Skitter project were used to analyze the searched topological data at CAIDA(cooperative association for Internet data analysis) router level,thus describing the characteristics of the distribution of the degrees of nodes at router level.Then,the core number for all nodes are computed,which embodies further the topological levels in Internet,thus describing the distribution of power laws of nodal cores especially the relationship between the degree and core number of nodes.It is revealed that the degree distribution relates to the power law for the nodes of low core number.