Mitigating DoS Attacks in SDN Using Offloading Path Strategies

  • Tai-Siang Huang
  • Po-Yang Hsiung
  • Bo-Chao Cheng
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 733)


Software-Defined Networks (SDNs) were created to facilitate the management and control of the network. However, the security problem is still unresolved. To avoid the DoS attacks caused by links exceeding the bandwidth load (such as traffic flooding and security loopholes), the most simple mitigation solution is to offload the data by transferring it to other links. However, the transfer of information could lead to high bandwidth loads on other links. To overcome this problem, this paper proposes a method called “Avoid Passing High Utilization Bandwidth (APHUB),” which aims to (1) prevent the unloaded data putting additional load on the links when passing through the high bandwidth and (2) find a suitable new path. A comparison of the maximum bandwidth utilization using the proposed method with other algorithms showed that this method consistently produced the smallest bandwidth utilization; we thus consider it a better mitigation method than those presented previously.


Software defined network Offload Path selection Maximum utilization 



This research is partially supported by Ministry of Science and Technology, Taiwan under Grant no. MOST 105-2221-E-194 -014 -MY2 and MOST 106-3114-E-006-003.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Tai-Siang Huang
    • 1
  • Po-Yang Hsiung
    • 1
  • Bo-Chao Cheng
    • 1
  1. 1.Department of Communications EngineeringNational Chung-Cheng UniversityChia-YiTaiwan

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