Shigeo Urushidani

J-GLOBAL         Last updated: Jan 4, 2020 at 17:48
Shigeo Urushidani
National Institute of Informatics
Job title
Ph.D.(The University of Tokyo)


He joined NTT in 1985 and was engaged in the research, development, and deployment of advanced network service systems such as ATM, AIN, high-speed IP/MPLS, and GMPLS-based optical systems. His work included the design and implementation of real networks such as KOCHI Information Superhighway, Japan Gigabit Network, and DoCoMo Data Backbone Network. He moved to NII in 2006 and is currently responsible for design and implementation of the Science Information Network (SINET). His current research interests include network architecture and system architecture for ultra-high-speed green networks.

Research Areas


Academic & Professional Experience

Apr 2018
Deputy Director General, NII
Apr 2015
Director, Cyber Science Infrastructure Development Department, NII
Apr 2013
Mar 2015
Director, Information Systems Architecture Research Division, NII
Apr 2013
Mar 2015
Director, Advanced ICT Center, NII
Jan 2011
Director, Research and Development Center for Academic Networks, NII

Committee Memberships

Jun 2018
IEICE (The Institute of Electronics, Information and Communication Engineers)  President of Communications Society
Jun 2017
May 2018
IEICE (The Institute of Electronics, Information and Communication Engineers)  President-Elect of Communications Society
May 2017
AXIES (Academic eXchange for Information Environment and Strategy)  Director

Awards & Honors

Apr 2017
Commendation for Science and Technology, Ministry of Education, Culture, Sports, Science and Technology
Winner: Shigeo Urushidani, Shunji Abe, Shigeki Yamada, Motonori Nakamura, Kento Aida
Sep 2015
Fellow, IEICE
Sep 2014
Outstanding Contribution Award, IEICE Communications Society
Oct 2013
Best Paper Award, IEEE LCN2013
Winner: Kalika Suksomboon, Saran Tanoi, Yusheng Ji, Michihiro Koibuchi, Kensuke Fukuda, Shunji Abe, Motonori Motonori, Michihiro Aoki, Shigeo Urushidani, Shigeki Yamada
Oct 2011
Best Paper Award Nomination, RNDM2011
Winner: Shigeo Urushidani, Michihiro Aoki

Published Papers

Optimization model for designing multiple virtualized campus area networks coordinating with Wide area networks
T. Kurimoto, S. Urushidani, and E. Oki
IEEE Transactions on Network and Service Management   15(4) 1349-1362   Dec 2018   [Refereed]
Implementation and testing of failure recovery based on backup resource sharing model for distributed cloud computing system
T. Sato, F. He, E. Oki, T. Kurimoto, and S. Urushidani
IEEE CloudNet2018      Oct 2018   [Refereed]
Optimization model for designing multiple virtualized campus area networks coordinating with a wide area network
T. Kurimoto, H. Yamada, S. Urushidani, and E. Oki
IEEE ICC2018      May 2018   [Refereed]
Robust optimization model for backup resource allocation in cloud provider
F. He, T. Sato, B.C. Chatterjee, T. Kurimoto, S. Urushidani, and E. Oki
IEEE ICC2018      May 2018   [Refereed]
Real-time data replication to remote archiving site for LHD experiment
H. Nakanishi, K. Yamanaka, T. Ozeki, N. Nakajima, H. Ohtsu, Y. Ishii, T. Yamamoto, M. Emoto, S. Urushidani, and S. Abe
The 26th International Toki Conference & The 11th Asia Plasma and Fusion Association Conference      Dec 2017   [Refereed]

Conference Activities & Talks

150-Gbps data transfer between Tokyo and London by MMCFTP
K. Yamanaka, V. Capone, S. Abe, and S. Urushidani
TNC17   29 May 2017   
Latency reduction by MPLS-TP-based backbone for a Japanese Science Information Networ
T. Kurimoto, H. Yamada, and S. Urushidani
21 Sep 2016   
Essentials of Japanese Academic Backbone Network [Invited]
Shigeo Urushidani
IEICE Communications Society Special Talk   24 Sep 2014   
Joint research projects using advanced research and education networks [Invited]
S. Urushidani
APSITT2013   Nov 2012   
Incentive Driven Inter-Domain Caching Mechanism for Future Network Design
K. Suksomboon, Y. Ji, M. Koibuchi, K. Fukuda, S. Abe, M. Nakamura, M. Aoki, S. Urushidani, and S. Yamada
Jun 2012   


My experiences as a network architect
Shigeo Urushidani
IEICE Communications Society Global Newsletter   40(4) 2-3   Dec 2016   [Invited]
Annual report of technical committee on network systems
A. Hiramatsu, H. Tode, S. Urushidani, A. Shibata, T. Tachibana, and K. Kinoshita
IEICE Communications Society Global Newsletter   38(3) 10-12   Sep 2014
Report on the 30th IN/NS research workshop
M. Kaneko, A. Shibata, K. Kinoshita, A. Hiramatsu, S. Urushidani, H. Nomura, Y. Ohsita, D. Arai, Y. Igarashi, H. Kobayashi, and T. Asami
IEICE Communications Society Global Newsletter   38(2) 14-15   Jun 2014
Report on NS English session at 2014 IEICE general conference - BS1 future network technologies for advanced information and communications society
K. Hirata, K. Kinoshita, M. Kaneko, A. Shibata, A. Hiramatsu, and S. Urushidani
IEICE Communications Society Global Newsletter   38(2) 20-20   Jun 2014
Foreword of special section on network and system technologies for sustainable society
S. Urushidani
IEICE Transactions on Communications   96-B(12) 2945-2945   Dec 2013


US9987306 : Path management control method, path management control program, path management control device and path management control system
R. Hayashi, K. Shimizu, I. Inoue, and S. Urushidani
US8532087 : Optical network, optical edge router, program thereof, cut through method, and edge router
H. Kojima, T. Kurimoto, I. Inoue, T. Takeda, T. Miyamura, K. Kabashima, N. Matsuura, M. Aoki, and S. Urushidani
US8422360 : Route switching method, server, boundary node apparatus, route switching system, and route switching program
K. Shimizu, I. Inoue, K. Shiomoto, and S. Urushidani
US7797444 : Data transfer apparatus and data transfer system
K. Kabashima, M. Aoki, T. Kurimoto, T. Miyamura, M. Goshima, N. Matsuura, and S. Urushidan
US5287316 : Optical FIFO buffer
S. Urushidani, K. Sasayama, and J. Nishikido