Global Fujitsu Distinguished Engineer

Kazunori Sakumoto

Message

My specialist field is network architectures. I have been engaged in developing architectures and network system design for both domestic and overseas telecommunication carriers. I have experience in all the major business domains of telecommunication carriers—switching, mobile, and transmission—and I have experience in all the major business domains of telecommunication carriers—switching, mobile, and transmission—and I am promoting discussions for the next generation network 6G in the global community.

Achievements

• 5x Certified Cisco Internetwork Expert (Routing&Switching, Service Provider, Voice, Security, Design) (CCIE#13894/CCDE#20140001), 4th 5x CCIE and the 1st CCDE holder in Japan.
• Co-author of the "Routing & Switching Standard handbook (Japanese)"
• 1st MEF (Metro Ethernet Forum) SD-WAN Certified Professional and feedback to the certification program.
• Presentation at Beyond 5G International Conference 2022

Value Creation

At the time of the introduction of new network technology, I have developed new network architecture and implemented it into the business for all areas of the network.

[Mobile network]

• (5G) Architected and discussed about the Open RAN virtualized infrastructure architecture with domestic and overseas telecom carriers.
• (4G) Architected and proposed the 4G LTE mobile backhaul network for US carrier.
• (WiMAX) Architected and proposed the WiMAX core network, and developed it for the test environment.

[Wide area network]

• (SD-WAN) Launched the SD-WAN service business in the US market as a solution architect.
• (Edge cloud network) Launched the Edge cloud managed service business in the US market as a solution architect.
• (SDN) Established the Fujitsu SDN architecture and developed the SDN controller (Virtuora NC).
• (Optical network) Developed the management plane architecture for the multi-layer transimission system.