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Dong Jin, Illinois Institute of Technology, Zhiyi Li, Illinois Institute of Technology, Christopher Hannon, Illinois Institute of Technology, Chen Chen, Argonne National Laboratory, Jianhui Wang, Argonne National Laboratory, Mohammad Shahidehpour, Illinois Institute of Technology, Cheol Won Lee, National Research Institute, South Korea.  2017.  Toward a Cyber Resilient and Secure Microgrid Using Software-Defined Networking. IEEE Transactions on Smart Grid. 8(5)

To build a resilient and secure microgrid in the face of growing cyber-attacks and cyber-mistakes, we present a software-defined networking (SDN)-based communication network architecture for microgrid operations. We leverage the global visibility, direct networking controllability, and programmability offered by SDN to investigate multiple security applications, including self-healing communication network management, real-time and uncertainty-aware communication network verification, and specification-based intrusion detection. We also expand a novel cyber-physical testing and evaluation platform that combines a power distribution system simulator (for microgrid energy services) and an SDN emulator with a distributed control environment (for microgrid communications). Experimental results demonstrate that the SDN-based communication architecture and applications can significantly enhance the resilience and security of microgrid operations against the realization of various cyber threats.