Enhancement of scale-free network attack tolerance |
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| Authors: | Qu Ze-Hui Wang Pu Song Chao-Ming Qin Zhi-Guang |
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| Affiliation: | School of Computer Science and Engineering, University of Electric Science & Technology of China, Chengdu 610054, China; Center for Complex Network Research(CCNR), Department of Physics, Biology and Computer Science, Northeastern University, Boston, MA 02115, USA;Department of Civil and Environmental Engineering, Massachusetts Institute of Technology Cambridge, MA 02139, USA;Center for Complex Network Research(CCNR), Department of Physics, Biology and Computer Science, Northeastern University, Boston, MA 02115, USA; Center for Cancer Systems Biology, Dana Farber Cancer Institute, Harvard University, Boston, Massachusetts 02115, USA;School of Computer Science and Engineering, University of Electric Science & Technology of China, Chengdu 610054, China |
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| Abstract: | Despite the large size of most communication and transportation systems, there are short paths between nodes in these networks which guarantee the efficient information, data and passenger delivery; furthermore these networks have a surprising tolerance under random errors thanks to their inherent scale-free topology. However, their scale-free topology also makes them fragile under intentional attacks, leaving us a challenge on how to improve the network robustness against intentional attacks without losing their strong tolerance under random errors and high message and passenger delivering capacity. Here we propose two methods (SL method and SH method) to enhance scale-free network's tolerance under attack in different conditions. |
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| Keywords: | scale-free network robustness spatial limited network attack tolerance |
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