Towards blockchain-based software-defined networking: Security challenges and solutions

Wenjuan LI, Weizhi MENG, Zhiqiang LIU, Man-Ho AU

Research output: Contribution to journalArticlespeer-review

41 Citations (Scopus)


Software-Defined Networking (SDN) enables flexible deployment and innovation of new networking applications by decoupling and abstracting the control and data planes. It has radically changed the concept and way of building and managing networked systems, and reduced the barriers to entry for new players in the service markets. It is considered to be a promising solution providing the scale and versatility necessary for IoT. However, SDN may also face many challenges, i.e., the centralized control plane would be a single point of failure. With the advent of blockchain technology, blockchain-based SDN has become an emerging architecture for securing a distributed network environment. Motivated by this, in this work, we summarize the generic framework of blockchain-based SDN, discuss security challenges and relevant solutions, and provide insights on the future development in this field. Copyright © 2020 The Institute of Electronics, Information and Communication Engineers.

Original languageEnglish
Pages (from-to)196-203
JournalIEICE Transactions on Information and Systems
Issue number2
Publication statusPublished - Feb 2020


Li, W., Meng, W., Liu, Z., & Au, M.-H. (2020). Towards blockchain-based software-defined networking: Security challenges and solutions. IEICE Transactions on Information and Systems, E103-D(2), 196-203.


  • Software defined networking
  • Blockchain technology
  • Security challenges
  • Attack and defence
  • Internet-of-Things


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