Yuichi Ohsita, Ph.D.

Associate Professor
Institute for Open and Transdisciplinary Research Initiatives
Osaka University

Eduation

Ph.D.
Graduate School of Information Science and Technology, Osaka University

Sept. 2008

M.E.
Graduate School of Information Science and Technology, Osaka University

Mar. 2005


Career

Associate Professor
Institute for Open and Transdisciplinary Research Initiatives, Osaka University
Graduate School of Information Science and Technology, Osaka University

Jan. 2019 -

Assistant Professor
Graduate School of Information Science and Technology, Osaka University

Apr. 2012 - Dec. 2018

Assistant Professor
Graduate School of Economics, Osaka University

Apr. 2007 - Mar. 2012

Research Associate
Graduate School of Economics, Osaka University

Apr. 2006 - Mar. 2007

Specially Appointed Researcher
Cyber Media Center, Osaka University

Apr. 2005 - Mar. 2006


Publications

Book Chapters

  1. Yuichi Ohsita, “Application to IoT Network Control: Predictive Network Control based on Real-World Information” in Fluctuation-Induced Network Control and Learning (M. Murata and K. Leibnitz eds.) Mar. 2021.
  2. Yuichi Ohsita, and Masayuki Murata, “Optical data center networks; architecture, performance, and energy-efficiency,” in Handbook on Data Centers (S. U. Khan and A. Y. Zomaya, eds.), New York: Springer-Verlag, Feb. 2015. [Springer]

Journal Papers

  1. Masaaki Yamauchi, Yuichi Ohsita, and Masayuki Murata, "Platform Utilizing Similar Users' Data to Detect Anomalous Operation of Home IoT without Sharing Private Information," IEEE Access, Vol. 9, pp. 130615-130626, 2021.
  2. Masaaki Yamauchi, Yuichi Ohsita, Masayuki Murata, Kensuke Ueda, and Yoshiaki Kato, "Anomaly Detection in Smart Home Operation from User Behaviors and Home Conditions," IEEE Transactions on Consumer Electronics, Vol. 66, pp. 183-192, May 2020.
  3. Kodai Satake, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata,"Traffic engineering and traffic monitoring in the case of incomplete information," IEICE Transactions on Communications, Vol. E102-B, Jan. 2019.
  4. Toshiki Shibahara, Kohei Yamanishi, Yuta Takata, Daiki Chiba, Taiga Hokaguchi, Mitsuaki Akiyama, Takashi Yagi, Yuichi Ohsita, and Masayuki Murata,"Event De-noising Convolutional Neural Network for Detecting Malicious URL Sequences from Proxy Logs," to appear in IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E101-A, Dec. 2018.
  5. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto,and Tomoaki Hashimoto, "Hierarchical Model Predictive Traffic Engineering," IEEE/ACM Transactions on Networking, Vol. 26, pp. 1754-1767, Aug. 2018
  6. Yousuke Takahashi, Keisuke Ishibashi, Masayuki Tsujino, Noriaki Kamiyama, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Separating Predictable and Unpredictable Flows via Dynamic Flow Mining for Effective Traffic Engineering," IEICE Transactions on Communications, Vol. E101-B, pp. 538-547, Feb. 2018.
  7. Yuichi Ohsita, Takamichi Nishijima, Yuki Koizumi, and Masayuki Murata, "Energy saving through a buffer control approach for a data center network with hybrid optoelectronic routers," IEEE/OSA Journal of Optical Communications and Networking, Vol. 8, pp. 462-475, Jul. 2016.
  8. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Virtual Clusters for Dynamic Network Service Chaining," International Journal of Information Communication Technology and Digital Convergence , Vol. 1, pp. 41-47, Jun. 2016.
  9. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "Placement of Virtual Storages for Distributed Robust Cloud Storage," IEICE Transactions on Communications, Vol. E99-B, pp. 885-893, Apr. 2016.
  10. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Abstraction Layer Based Virtual Clusters Providing Low Network Update Costs for Virtualized Data Centers," International Journal on Advances in Software, Vol. 8, pp. 457-466, Dec. 2015. [ThinkMind]
  11. Noriaki Kamiyama, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Effective Flow Aggregation for Traffic Engineering," IEICE Transactions on Communications, Vol. E98-B, pp. 2049-2059, Oct. 2015. [IEICE]
  12. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, and Kohei Shiomoto, "Traffic Prediction for Dynamic Traffic Engineering," Computer Networks Vol. 85, pp.36-50, Jul. 2015. [ScienceDirect]
  13. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Noriaki Kamiyama, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Traffic Engineering Based on Model Predictive Control," IEICE Transactions on Communications, Vol. E98-B, pp. 996-1007, Jun. 2015. [IEICE]
  14. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shohei Kamamura, Daisaku Shimazaki, Kohei Shiomoto, Atsushi Hiramatsu, and Masayuki Murata, "Aggregation of Traffic Information for Hierarchical Routing Reconfiguration," Computer Networks, Vol. 76, pp. 242-258, Jan. 2015. [ScienceDirect]
  15. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "Virtual Network Reconfiguration for Reducing Energy Consumption in Optical Data Centers," IEEE/OSA Journal of Optical Communications and Networking, Vol. 6, No.10, pp. 925-942, Oct. 2014.[OSA] [IEEE]
  16. Takahide Ikeda, Yuichi Ohsita, and Masayuki Murata, "3D Network Structures using Circuit Switches and Packet Switches for on-chip Data Centers," International Journal On Advances in Networks and Services, Vol.7, pp. 73-84, Jul. 2014.[ThinkMind]
  17. Masahiro Yoshinari, Yuichi Ohsita, and Masayuki Murata, "Virtual Network Reconfiguration with Adaptability to Traffic Changes," IEEE/OSA Journal of Optical Communications and Networking, Vol. 6, No.6, pp. 523-535, Jun. 2014. [OSA] [IEEE]
  18. Yuya Tarutani, Yuichi Ohsita, Shin'ichi Arakawa, and Masayuki Murata, "Optical-Layer Traffic Engineering with Link Load Estimation for Large-Scale Optical Networks," IEEE/OSA Journal of Optical Communications and Networking, Vol.4, No.1, pp. 38-52, Jan 2012. [OSA] [IEEE]
  19. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shingo Ata, Eiji Oki, Kohei Shiomoto, and Masayuki Murata, "Gradually Reconfiguring Virtual Network Topologies based on Estimated Traffic Matrices," IEEE/ACM Transactions on Networking, Vol.18, No.1, pp. 177-189, Feb 2010. [IEEE] [ACM]
  20. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Eiji Oki, Kohei Shiomoto, and Masayuki Murata "Estimation of current traffic matrices from long-term traffic variations," IEICE Transactions on Communications, Vol.E92-B, No.01, pp. 171-183, Jan 2009. [IEICE]
  21. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Deployable Overlay Network for Defense against Distributed SYN flood Attacks," IEICE Transactions on Communications, Vol.E91-B, No.8, pp. 2618-2630, Aug 2008. [IEICE]
  22. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Identification of Attack Nodes from Traffic Matrix Estimation," IEICE Transactions on Communications, Vol.E90-B, No.10, pp.2854-2864, Oct 2007. [IEICE]
  23. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Detecting distributed Denial-of-Service attacks by analyzing TCP SYN packets statistically," IEICE Transactions on Communications, Vol.E89-B, No.10, pp. 2868-2877, Oct 2006. [IEICE]

International Conference

  1. Akishige Ikoma, Yuichi Ohsita, and Masayuki Murata, "Impact of remote memory and network performance on execution performance of disaggregated micro data centers," in Proceedings of International Conference on Emerging Technologies for Communications, Dec. 2021.
  2. Yun Fan, Toshiki Shibahara, Yuichi Ohsita, Daiki Chiba, Mitsuaki Akiyama, Masayuki Murata, "Understanding Update of Machine-Learning-Based Malware Detection by Clustering Changes in Feature Attributions," in Proceedings of International Workshop on Security, Sept. 2021.
  3. Yuichi Ohsita, and Masayuki Murata, "Route suggestion for vehicles inspired by the cognitive process of a human brain and its relation to predictive control of communication networks," in Proceedings of International Conference on Emerging Technologies for Communications, Dec. 2020.
  4. Semin An, Yuichi Ohsita, and Masayuki Murata, "Evaluation of Network Resource Allocation Based on Monitored Traffic Condition inspired by Human Brain Cognition Process," in Proceedings of International Conference on Emerging Technologies for Communications, Dec. 2020.
  5. Masaaki Yamauchi, Masahiro Tanaka, Yuichi Ohsita, Masayuki Murata, Kensuke Ueda, and Yoshiaki Kato, "Modeling Home IoT Traffic using Users' in-Home Activities for Detection of Anomalous Operations," in Proceedings of International Teletraffic Congress ITC32, PhD Workshop, Sept. 2020.
  6. Masaaki Yamauchi, Yuichi Ohsita, and Masayuki Murata, "Platform Utilizing Others' Behavior Data to Detect Anomalous Operation Hiding Private Information," in Proceedings of International Conference on Consumer Electronics-Taiwan, Sept. 2020.
  7. Taiga Hokaguchi, Yuichi Ohsita, Toshiki Shibahara, Daiki Chiba, Mitsuaki Akiyama, and Masayuki Murata, "Detecting Malware-infected Hosts Using Templates of Multiple HTTP Requests," in Proceedings of IEEE Consumer Communications & Networking Conference, Jan. 2020.
  8. Kodai Satake, Yuichi Ohsita, and Masayuki Murata, "Predictive traffic engineering incorporating real-world information inspired by the cognitive process of the human brain," in Proceedings of International Conference on ICT Convergence, Oct. 2019.
  9. Masaaki Yamauchi, Yuichi Ohsita, Masayuki Murata, Kensuke Ueda, and Yoshiaki Kato, "Anomaly Detection for Smart Home Based on User Behavior," in Proceedings of IEEE International Conference on Consumer Electronics, Jan. 2019.
  10. Kodai Satake, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Traffic engineering cooperating with traffic monitoring for the case with incomplete information," in Proceedings of International Telecommuication Networks and Applications Conference, Nov 2017.
  11. Toshiki Shibahara, Kohei Yamanishi, Yuta Takata, Daiki Chiba, Mitsuaki Akiyama, Takeshi Yagi, Yuichi Ohsita and Masayuki Murata, "Malicious URL sequence detection using event de-noising convolutional neural network," in Proceedings of IEEE International Conference on Communications, May 2017.
  12. Yosuke Akishita, Yuichi Ohsita, and Masayuki Murata, "Network power saving based on Pareto optimal control with evolutionary approach," in Proceedings of International Conference on Computing, Networking and Communications, Jan. 2017.
  13. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Framework for Traffic Engineering under Uncertain Traffic Information," in Proceedings of International Conference on ICT Convergence, Oct. 2016.
  14. Ali Kashif Bashir, Yuichi Ohsita, Masayuki Murata, "Abstraction Layer Based Virtual Data Center Architecture for Network Function Chaining," in Proceedings of DCPerf, Jun. 2016.
  15. Yousuke Takahashi, Keisuke Ishibashi, Noriaki Kamiyama, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Separating Predictable and Unpredictable Flows via Dynamic Flow Mining for Effective Traffic Engineering," in Proceedings of IEEE ICC, May 2016.
  16. Kota Kawashima, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Dynamic Placement of Virtual Network Functions based on Model Predictive Control," in Proceedings of IEEE/IFIP AnNet, Apr. 2016.
  17. Takumi Sue, Yuichi Ohsita, and Masayuki Murata, "Online Traffic Classification Based on Swarm Intelligence ," in Proceedings of Cloud Computing, Mar. 2016.
  18. Yuichi Ohsita, and Masayuki Murata, "Data Center Network Structure using Hybrid Optoelectronic Routers," in Proceedings of Cloud Computing, Mar. 2016.
  19. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Hierarchical Traffic Engineering Based on Model Predictive Control," in Proceedings of International Conference on Computing, Networking and Communications, Feb. 2016.
  20. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Virtual Clusters for Dynamic Network Service Chaining," in Proceedings of International Conference on Information and Communication Technology and Digital Convergence Business, Nov. 2015.
  21. Noriaki Kamiyama, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Optimizing Cache Location and Route on CDN Using Model Predictive Control," in Proceedings of 27th International Teletraffic Congress, Sept. 2015.
  22. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Traffic Engineering Based on Stochastic Model Predictive Control for Uncertain Traffic Change," in Proceedings of IFIP/IEEE ManFI, May 2015.
  23. Yousuke Takahashi, Keisuke Ishibashi, Noriaki Kamiyama, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Macroflow-based traffic engineering in SDN-controlled network," in Proceedings of 11th International Conference on IP+Optical Network, Apr. 2015.
  24. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Abstraction Layer Based Distributed Architecture for Virtualized Data Centers," in Proceedings of Cloud Computing, Mar. 2015.
  25. Noriaki Kamiyama, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Flow Aggregation for Traffic Engineering," in Proceedings of IEEE Globecom, pp. 29-34, Dec. 2014.
  26. Yoshihiro Tsuji, Yuichi Ohsita, and Masayuki Murata, "Data structure enabling retrieval of time series of traffic with the requested granularity," in Proceedings of IEEE ICCS, Nov. 2014.
  27. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, and Kohei Shiomoto "Traffic Prediction for Dynamic Traffic Engineering Considering Traffic Variation," in Proceedings of IEEE Globecom, Dec. 2013.
  28. Takahide Ikeda, Yuichi Ohsita, Masayuki Murata, "3D on-chip data center networks using circuit switches and packet switches," in Proceedings of The Eighth International Conference on Systems and Networks Communications, Oct. 2013. [ThinkMind]
  29. Yuta Shimotsuma, Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "Evaluation of data center network structures considering routing methods," in Proceedings of International Conference on Networking and Services,pp. 146-152, Mar. 2013. [ThinkMind]
  30. Masahiro Yoshinari, Yuichi Ohsita, and Masayuki Murata, "Virtual Network Topologies Adaptive to Large Traffic Changes by Reconfiguring a Small Number of Paths," in Proceedings of International Conference on Networking and Services, pp. 28-33, Mar. 2013. [ThinkMind]
  31. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "A Virtual Network to Achieve Low Energy Consumption in Optical Large-scale Datacenter," in Proceedings of IEEE International Conference on Communication Systems, Nov. 2012. [IEEE]
  32. Yuichi Ohsita, and Masayuki Murata, "Data Center Network Topologies using Optical Packet Switches," in Proceedings of DCPerf 2012, Jun. 2012. [IEEE]
  33. Takashi Miyamura, Yuichi Ohsita, Shohei Kamamura, Daisaku Shimazaki, Yuki Koizumi, Shin'ichi Arakawa, Kohei Shiomoto, and Masayuki Murata, "Management of managed self-organizing network in network virtualization environment," in Proceedings of WTC 2012, Mar. 2012.
  34. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Kohei Shiomoto, and Masayuki Murata, "Hierarchical dynamic traffic engineering considering the upper bounds of link utilizations," in Proceedings of IEEE Globecom, Dec. 2011.[IEEE]
  35. Takashi Miyamura, Shin'ichi Arakawa, Yuichi Ohsita, Shohei Kamamura, Kohei Shiomoto, Masayuki Murata "Dynamic Resource Allocation for Managed Self-Organization," in Proceedings of APNOMS, Sep. 2011. [IEEE]
  36. Yuya Tarutani, Yuichi Ohsita, Shin'ichi Arakawa, and Masayuki Murata, "Estimation of Traffic Amounts on All Links by Using the Information From a Subset of Nodes," in Proceedings of the Second International Conference on Emerging Network Intelligence, Oct. 2010. [ThinkMind]
  37. Takashi Miyamura, Yuichi Ohsita, Shin'ichi Arakawa, Yuki Koizumi, Akeo Masuda, Kohei Shiomoto, and Masayuki Murata, "Network Virtualization Server for Adaptive Network Control," in Proceedings of 20th ITC Specialist Seminar on Network Virtualization - Concept and Performance Aspects, May. 2009. [ITC Specialist Seminar]
  38. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Eiji Oki, Kohei Shiomoto, and Masayuki Murata, "Estimating Current Traffic Matrices Accurately by Using Long-term Variations Information," in Proceedings of Broadnets, Sep. 2008. [IEEE]
  39. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shingo Ata, Eiji Oki, Kohei Shiomoto, and Masayuki Murata, "Gradually Reconfiguring Virtual Network Topologies based on Estimated Traffic Matrices," in Proceedings of IEEE INFOCOM, pp.2511-2515, May 2007. [IEEE]
  40. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Identification of Attack Nodes from Traffic Matrix Estimation," in Proceedings of 4th International Trusted Internet Workshop, Dec 2005.
  41. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Deployable Overlay Network for Defense against Distributed SYN Flood Attacks," in Proceedings of IEEE ICCCN, pp. 407-412, Oct 2005. [IEEE]
  42. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Detecting Distributed Denial-of-Service Attacks by analyzing TCP SYN packets statistically," in Proceedings of IEEE Globecom, vol. 4, pp. 2043-2049, Dec 2004. [IEEE]

Thesis

  1. Yuichi Ohsita, "Measurement, Analysis and Control to Changes of Network Traffic," Ph.D. thesis, Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, July 2008. [PDF]
  2. Yuichi Ohsita, "Detection and defense method against distributed SYN flood attacks," Master's thesis, Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, Feb 2005. [PDF]

Contact

Email
y-ohsita@ist.osaka-u.ac.jp

Address
1-5 Yamadaoka Suita Osaka Japan
Graduate School of Information Science and Technology, Osaka University
Yuichi Ohsita

Phone
+81-6-6879-4542