The study on characteristics of the coreness of router-level internet nodes

Being a huge system, the Internet’s topology structure is very complex. It can’t be treated as a plane simply, and we must analysis its hierarchy. In this paper, the research was based on the massive data authorized by CAIDA(The Cooperative Association for Internet Data Analysis) Skitter project. By studying the router-level Internet topology measuring data from depth and width, we described the characteristics of the coreness of router-level nodes, and illustrated the frequency-degree power law of the nodes which coreness is lower and the regionally distribution of the nodes which coreness is higher. These descriptions of the characteristics can provide a valuable reference for describing the hierarchy of Internet.