Evolution of IPv6 Internet topology with unusual sudden changes |
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Authors: | Ai Jun Zhao Hai Kathleen M Carley Su Zhan Li Hui |
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Institution: | [1]College of Information Science and Engineering, Northeastern University, Shenyang 110819, China [2]Institute for Software Research, Carnegie Mellon University, PA 15213, USA |
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Abstract: | The evolution of Internet topology is not always smooth but sometimes with unusual sudden changes. Consequently, identifying patterns of unusual topology evolution is critical for Internet topology modeling and simulation. We analyze IPv6 Internet topology evolution in IP-level graph to demonstrate how it changes in uncommon ways to restructure the Internet. After evaluating the changes of average degree, average path length, and some other metrics over time, we find that in the case of a large-scale growing the Internet becomes more robust; whereas in a top-bottom connection enhancement the Internet maintains its efficiency with links largely decreased. |
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Keywords: | scale-free network Internet topology evolution unusual evolution of Internet topology complex network analysis |
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