Evaluating the AS-level Internet models: beyond topological characteristics |
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Authors: | Fan Zheng-Ping |
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Affiliation: | Department of Automation, Sun Yat-Sen University, Guangzhou 510275, China |
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Abstract: | A surge number of models has been proposed to model the Internet in the past decades. However, the issue on which models are better to model the Internet has still remained a problem. By analysing the evolving dynamics of the Internet, we suggest that at the autonomous system (AS) level, a suitable Internet model, should at least be heterogeneous and have a linearly growing mechanism. More importantly, we show that the roles of topological characteristics in evaluating and differentiating Internet models are apparently over-estimated from an engineering perspective. Also, we find that an assortative network is not necessarily more robust than a disassortative network and that a smaller average shortest path length does not necessarily mean a higher robustness, which is different from the previous observations. Our analytic results are helpful not only for the Internet, but also for other general complex networks. |
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Keywords: | AS-level Internet scale-free model robustness |
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