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      Malware Propagation and Prevention Model for Time-Varying Community Networks within Software Defined Networks

      Liu, Lan; Ko, Ryan K.L.; Ren, Guangming; Xu, Xiaoping
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      2910310.pdf
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      DOI
       10.1155/2017/2910310
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      Liu, L., Ko, R. K. L., Ren, G., & Xu, X. (2017). Malware Propagation and Prevention Model for Time-Varying Community Networks within Software Defined Networks. Security and Communication Networks. https://doi.org/10.1155/2017/2910310
      Permanent Research Commons link: https://hdl.handle.net/10289/11066
      Abstract
      As the adoption of Software Defined Networks (SDNs) grows, the security of SDN still has several unaddressed limitations. A key network security research area is in the study of malware propagation across the SDN-enabled networks. To analyze the spreading processes of network malware (e.g., viruses) in SDN, we propose a dynamic model with a time-varying community network, inspired by research models on the spread of epidemics in complex networks across communities. We assume subnets of the network as communities and links that are dense in subnets but sparse between subnets. Using numerical simulation and theoretical analysis, we find that the efficiency of network malware propagation in this model depends on the mobility rate q of the nodes between subnets. We also find that there exists a mobility rate threshold 𝑞𝑐. The network malware will spread in the SDN when the mobility rate 𝑞 > 𝑞𝑐. The malware will survive when 𝑞 > 𝑞𝑐 and perish when 𝑞 < 𝑞𝑐. The results showed that our model is effective, and the results may help to decide the SDN control strategy to defend against network malware and provide a theoretical basis to reduce and prevent network security incidents.
      Date
      2017
      Type
      Journal Article
      Publisher
      Hindawi
      Rights
      © 2017 Lan Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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      • Computing and Mathematical Sciences Papers [1455]
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