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Kazuya Anazawa

Kazuya Anazawa

NTT Innovation Laboratories

About the Speaker

Kazuya Anazawa is a prominent researcher at NTT Network Innovation Laboratories in Japan, specializing in optical networking and Software-Defined Networking (SDN) for next-generation data centers. 

Professional Profile

  • Current Role: Researcher at the Network Innovation Laboratories, NTT Corporation.
  • Academic Background: He earned both his Bachelor’s and Master’s degrees in Computer Science and Engineering from the University of Aizu (2016 and 2018, respectively).
  • Industry Involvement: Serves as a coordinator for the IOWN Global Forum, specifically focusing on AI interconnect infrastructure. 

Key Research Areas

Anazawa's work primarily focuses on enhancing the efficiency and scalability of data center networks through:

  • Optical-Circuit-Switching (OCS): Developing verification algorithms for fiber topology and quality to improve energy efficiency.
  • SDN Controllers: Leading the first demonstrations of SDN controllers specifically designed for open optical-circuit-switched networks.
  • AI Data Center Infrastructure: Researching optical networking technologies that serve as enablers for AI-driven data centers.
  • Network Digital Twins: Investigating Digital Twin operations for optical networks to enable flexible lightpath management and remote transponder control. 

Notable Publications

  • "Experimental Evaluation of an SDN Controller for Open Optical-circuit-switched Networks" (2025) – Journal of Optical Communications and Networking.
  • "Efficient Verification Algorithm for Topology and Quality of Optical Fibers..." (2025) – Journal of Optical Communications and Networking.
  • "Design of Multiple-Plane Twisted and Folded Clos Network..." (2025) – IEEE Transactions on Network and Service Management
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