Daisuke Kotani

Affiliation

Associate Professor,
Academic Center for Computing and Media Studies, Kyoto University
(Data Engineering and Platform Research Laboratory, Department of Social Informatics Analytics Infrastructure Research)

Doctor of Informatics

Contact

Academic Center for Computing and Media Studies
ACCMS South Bldg., Yoshida Campus, Kyoto University
Yoshida Nihonmatsu-cho, Sakyo, Kyoto, 606-8501, Japan
E-mail: kotani _at_ media.kyoto-u.ac.jp
Twitter: @daisuke_k (Most of my tweets are Japanese)
Facebook: https://www.facebook.com/daisuke.kotani

Research Topics

Software Defined Networking, OpenFlow, Future Internet, Information Security

Academic Societies

Association for Computing Machinery (ACM)
Institute of Electrical and Electronics Engineers (IEEE)
Information Processing Society of Japan (IPSJ)
The Institute of Electronics, Information and Communication Engineers (IEICE)

Education Background

2012.10-2016.3: Ph.D student in Department of Intelligence Science and Technology, Graduate School of Informatics, Kyoto University.
2011.4-2012.9: Master student in Department of Intelligence Science and Technology, Graduate School of Informatics, Kyoto University.
2007.4-2011.3: Bachelor student in School of Informatics and Mathematical Science, Faculty of Engineering, Kyoto University.

Publications

DBLP Google Scholar

Journal Papers

Naoki Matsumoto, Daisuke Kotani and Yasuo Okabe
D4C: Fast and Efficient Container Image Updating for Edge with Delta Encodings
IEICE Transactions on Communications, Vol.E108-B,No.7,pp.-,Jul. 2025 (in press).
Hiroya Onoe, Daisuke Kotani, Yasuo Okabe
PiCoP: Service Mesh for Sharing Microservices in Multiple Environments using Protocol-Independent Context Propagation
IEEE Transactions on Cloud Computing, doi: 10.1109/TCC.2025.3531954 (in press)
Masato Hirai, Daisuke Kotani and Yasuo Okabe
Linking Contexts from Distinct Data Sources in Zero Trust Federation
Journal of Information Processing, 2024, Volume 32, Pages 288-296, March 2024.
Masaki Kobayashi, Yo Kanemoto, Daisuke Kotani and Yasuo Okabe
Generation of IDS Signatures through Exhaustive Execution Path Exploration in PoC Codes for Vulnerabilities
Journal of Information Processing, 2023, Volume 31, pp. 591-601.
Takuya Urimoto, Daisuke Kotani, Yasuo Okabe, Vantage Point Placement Based on Inference of AS-level Connections, Journal of Information Processing, 2023, Volume 31, pp. 155-164.
Naoki Matsumoto, Daisuke Kotani, Yasuo Okabe, CREBAS: Enabling Network Access Control in a Home with One Click, Journal of Information Processing, 2023, Volume 31, pp. 174-184.
Yoshinari Kanaya, Katsuyoshi Iida and Daisuke Kotani
Teaching Materials Development and Practice of Security-Mind Edication
Computer Software, 2021, Vol. 38, No. 1, pp. 1_38-1_44. (In Japanese)
Yo Kanemoto, Kazufumi Aoki, Jun Miyoshi, Daisuke Kotani and Yasuo Okabe
Correlating HTTP Request with Host Events for Efficient Host based Intrusion Detection Alert Analysis
Transactions of Information Processing Society of Japan, Vol.61, No.5, pp.1080-1091, May 2020. (in Japanese)
Daisuke Kotani, Kazuya Suzuki and Hideyuki Shimonishi
A Multicast Tree Management Method Supporting Fast Failure Recovery and Dynamic Group Membership Changes in OpenFlow Networks
Journal of Information Processing, Vol.24, No.2, pp.395-406, Mar. 2016. DOI=10.2197/ipsjjip.24.395
Daisuke Kotani and Yasuo Okabe

A Packet-In Message Filtering Mechanism for Protection of Control Plane in OpenFlow Switches

10.1587/transinf.2015EDP7256

PDF

International Conference Papers

Tomoyuki Ehira, Daisuke Kotani and Yasuo Okabe
Distributed Tracing for Cascading Changes of Objects in the Kubernetes Control Plane
The 40th ACM/SIGAPP Symposium On Applied Computing (ACM SAC '25), March 2025. (Accepted)
Masahito Kumazaki, Daisuke Kotani and Yasuo Okabe, Attack Trace Dataset Generation Considering Organizational System Characteristics, The 4th Workshop on Information System Security (WISS 2025), Co-located with The 39th International Conference on Information Networking (ICOIN 2025), January 2025.
Soichiro Ueda, Ai Nozaki, Daisuke Kotani, Yasuo Okabe
Mewz: Lightweight Execution Environment for WebAssembly with High Isolation and Portability using Unikernels
The 2nd Workshop on Hot Topics in System Infrastructure (HotInfra 2024), Co-located with SOSP 2024, November 2024.
Shinnosuke Kataoka, Daisuke Kotani and Yasuo Okabe
NI-SPA: SPA-Based Dynamic Access Control Utilizing In-Network Behavior
ACM SIGCOMM 2024 Workshop on Zero Trust Architecture for Next Generation Communications (ZTA-NextGen 2024), August 2024.
Kazuki Takashima, Daisuke Kotani and Yasuo Okabe
DDoS Attack Information Sharing Among CDNs Interconnected Through CDNI
The 14th IEEE International Workshop on Network Technologies for Security, Administration & Protection (NETSAP 2024), July 2024.
Masato Hirai, Daisuke Kotani and Yasuo Okabe
Putting Authorization Servers on User-owned Devices in User-Managed Access
39th International Conference on ICT Systems Security and Privacy Protection (IFIP SEC 2024), June 2024.
Kodai Mizutani, Daisuke Kotani and Yasuo Okabe
Visibility of Scan Traffic Trends in Sparsely Populated Darknets
EAI SecureComm 2023, October 2023.
Hiroya Onoe, Daisuke Kotani and Yasuo Okabe
Protocol-Independent Context Propagation for Sharing Microservices in Multiple Environments
11th IEEE International Conference on Cloud Engineering (IC2E), September 2023. [slide]
Naoki Matsumoto, Daisuke Kotani and Yasuo Okabe
Efficient Container Image Updating in Low-bandwidth Networks with Delta Encoding
11th IEEE International Conference on Cloud Engineering (IC2E), September 2023.
Keisuke Hamajima, Daisuke Kotani and Yasuo Okabe
Partial Outsourcing of Malware Dynamic Analysis Without Disclosing File Contents
2023 IEEE 47th Annual Computer Software and Applications Conference (COMPSAC), pp. 717-722, June 2023.
Kodai Hatakeyama, Daisuke Kotani and Yasuo Okabe
Key Management Based on Ownership of Multiple Authenticators in Public Key Authentication
38th International Conference on ICT Systems Security and Privacy Protection (IFIP SEC 2023), June 2023. [slide]
Masato Hirai, Daisuke Kotani and Yasuo Okabe
Linking Contexts from Distinct Data Sources in Zero Trust Federation
5th International Workshop on Emerging Technologies for Authorization and Authentication (Co-Located with ESORICS 2022), September 2022.
Kentaro Ohnishi, Daisuke Kotani, Hirofumi Ichihara, Yohei Kanemaru and Yasuo Okabe
Acila: Attaching Identities of Workloads for Efficient Packet Classification in a Cloud Data Center Network
ACM SIGCOMM 2022 Workshop on Future of Internet Routing & Addressing (FIRA 2022), August 2022. [slide]
Naoki Matsumoto, Daisuke Kotani, Yasuo Okabe
Capability Based Network Access Control for Smart Home Devices
International Workshop on Pervasive Information Flow (PerFlow'22), March 2022.
Takuya Urimoto, Daisuke Kotani and Yasuo Okabe
Analysis of Inter-regional Relationship among Regional Tier-1 ASes in the Internet
The 9th IEEE International Workshop on Architecture, Design, Deployment & Management of Networks & Applications (ADMNET 2021), July 2021.
Daisuke Kotani, Taku Tanaka and Yasuo Okabe
QoS Network control for elderly support services
The 9th IEEE International Workshop on Consumer Devices & Systems (CDS 2021), July 2021.
Koudai Hatakeyama, Daisuke Kotani and Yasuo Okabe
Zero Trust Federation: Sharing Context under User Control towards Zero Trust in Identity Federation
The 2021 International Workshop on Pervasive Information Flow (PerFlow 2021), pp. 514-519, March 2021. [Accepted Version]
Dongyang Li, Daisuke Kotani and Yasuo Okabe
Improving Attack Detection Performance in NIDS Using GAN
2020 IEEE 44th Annual Computer Software and Applications Conference (COMPSAC), pp. 817-825, July 2020.
Kaku Sawada, Daisuke Kotani, Yasuo Okabe
Network Routing Optimization Based on Machine Learning Using Graph Networks Robust against Topology Change
34th International Conference on Information Networking (ICOIN 2020), pp.608-615, Jan. 2020.
Kei Wakabayashi, Daisuke Kotani, Yasuo Okabe
Traffic-aware Access Control List Reconstruction
Proc. 34th International Conference on Information Networking (ICOIN 2020), pp.615-626, Jan. 2020.
Yo Kanemoto, Kazufumi Aoki, Makoto Iwamura, Jun Miyoshi, Daisuke Kotani, Hiroki Takakura, Yasuo Okabe
Detecting Successful Attacks from IDS Alerts Based on Emulation of Remote Shellcodes
2019 IEEE 43rd Annual Computer Software and Applications Conference (COMPSAC), Proc. 2019 IEEE 43rd Annual Computer Software and Applications Conference (COMPSAC), Vol.2, pp.471-476, July 2019.
Laura Fiorini, Alessandra Sorrentino, Daisuke Kotani, Hiroshi Hoshino, Estibaliz Arzoz Fernandez, Yasuo Okabe, Masahiko Tsukamoto, Yutaka Yanagisawa, Kyosuke Futami, Delphine Lefebvre, and Filippo Cavallo
Toward a Internet of Robotic Things architecture to support citizens in mobility, daily-life and socialization applications: a case study
IEEE ICRA Workshop Advances and Challenges on the Development, Testing and Assessment of Internet of Robotic Things (IoRT): Experiences from Engineering and Human Science Research, May 2019.
Daisuke Kotani
An Architecture of a Network Controller for QoS Management in Home Networks with Lots of IoT Devices and Services
2019 16th IEEE Annual Consumer Communications & Networking Conference (CCNC), January 2019. [Accepted version (C)2019 IEEE] [slide]
Keitaro Yamazaki, Daisuke Kotani and Yasuo Okabe
Xilara: An XSS Filter Based on HTML Template Restoration
The 14th EAI International Conference on Security and Privacy in Communication Networks (SecureComm 2018), Aug.2018. [Accepted version]
Ryoh Akiyoshi, Daisuke Kotani, Yasuo Okabe
Detecting Emerging Large-Scale Vulnerability Scanning Activities by Correlating Low-Interaction Honeypots with Darknet
The 8th IEEE International Workshop on Network Technologies for Security, Administration and Protection, in Proc. IEEE 42th Annual Computer Software and Applications Conference (COMPSAC2018), Vol. 2, pp.658-663, July 2018.
Tsubasa Munemitsu, Daisuke Kotani, Yasuo Okabe
A Mixed Integer Programming Solution for Network Optimization Under Tunneling-Based Traffic Engineering Schemes
The 2nd IEEE International Workshop on Future Internet Technologies, in Proc. IEEE 42th Annual Computer Software and Applications Conference (COMPSAC2018), Vol. 2, pp.769-776, July 2018.
Tomohiro Ito, Daisuke Kotani, and Yasuo Okabe
A Threshold-Based Authentication System Which Provides Attributes Using Secret Sharing
The 3rd IEEE International COMPSAC Workshop on Secure Identity Management in the Cloud Environment (SIMICE), in Proc. IEEE 41th Annual Computer Software and Applications Conference (COMPSAC2017), Vol. 2, pp.730-735, July 2017.
Daisuke Kotani and Yasuo Okabe
Fast Failure Detection of OpenFlow Channels
The 11th Asian Internet Engineering Conference (AINTEC 2015), pp.32-39, November 2015. DOI=10.1145/2837030.2837035
Daisuke Kotani and Yasuo Okabe
A Packet-In Message Filtering Mechanism for Protection of Control Plane in OpenFlow Networks
The 10th ACM/IEEE Symposium on Architectures for Networking and Communications Systems (ANCS2014), pp.29-40, October 2014. DOI=10.1145/2658260.2658276
Yoshiharu Tsuzaki, Ryosuke Matsumoto, Daisuke Kotani, Shuichi Miyazaki and Yasuo Okabe
A Mail Transfer System Selectively Restricting a Huge Amoount of E-mails
Workshop on Resilient Internet based Systems (REIS 2013), December, 2013. DOI=10.1109/SITIS.2013.146
Daisuke Kotani and Yasuo Okabe
Packet-In Message Control for Reducing CPU Load and Control Traffic in OpenFlow Switches
European Workshop on Software Defined Networks (EWSDN), pp.42-47, October, 2012. DOI=10.1109/EWSDN.2012.23
Daisuke Kotani, Kazuya Suzuki and Hideyuki Shimonishi
A design and implementation of OpenFlow Controller handling IP multicast with Fast Tree Switching
The 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2012), pp.60-67, July 2012. DOI=10.1109/SAINT.2012.17
Hideyuki Shimonishi, Yasuhito Takamiya, Yasunobu Chiba, Kazushi Sugyo, Youichi Hatano, Kentaro Sonoda, Kazuya Suzuki, Daisuke Kotani and Ippei Akiyoshi
Programmable Network Using OpenFlow for Network Researches and Experiments (Invited Paper)
The 6th International Conference on Mobile Computing and Uniquitous Networking (ICMU2012), Okinawa, Japan, May 2012.
Daisuke Kotani, Satoshi Nakamura and Katsumi Tanaka
Supporting Sharing of Browsing Information and Search Results in Mobile Collaborative Searches
The 12th international conference on Web Information Systems Engineering (WISE2011), pp.298-305, October 2011. DOI=10.1007/978-3-642-24434-6_25

Talks

Daisuke Kotani, Cybersecurity Research @ Kyoto University, The 3rd KISTI and NII Joint Security Workshop, September 2023.
Daisuke Kotani, Network Access Control using Workload Identity, LINE DEVELOPER DAY 2020, November 2020.

Funding

PI

JSPS, Grants-in-Aid for Young Scientists (KAKENHI), 2021.4 -
JSPS, Grants-in-Aid for Young Scientists (B) (KAKENHI), 2017.4 -
The Kyoto University Research Funds for Young Scientists (Start-up), 830,000 JPY, 2016.6 - 2017.3
JSPS, Grants-in-Aid for JSPS Research Fellow (KAKENHI), 3,000,000 JPY, 2013.4 - 2016.3

Co-PI

NICT, EU-Japan cooperation on Novel ICT Robotics based solutions for active and healthy ageing at home or in care facilities, Agile Co-Creation of Robots for Ageing, 2016.11 -

Collaborative Research with Private Company

FY2024: 1 projects
FY2023: 1 projects
FY2022: 1 projects
FY2021: 3 projects
FY2020: 4 projects
FY2019: 4 projects
FY2018: 2 projects
FY2017: 1 projects
FY2016: 1 projects

Education

Classes

2024 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Practice in Information Security (Faculty of Engineering, Kyoto University)
2023 Fall: Practice in Information Security (Faculty of Engineering, Kyoto University)
2023 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Hardware and Software Laboratory Project 3 (Faculty of Engineering, Kyoto University)
2022 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Practice in Information Security (Faculty of Engineering, Kyoto University), Hardware and Software Laboratory Project 3 (Faculty of Engineering, Kyoto University)
2021 Fall: Lecture of Information Security Management Literacy II (Graduate School of Media Design, Keio University)
2021 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Practice in Information Security (Faculty of Engineering, Kyoto University), Hardware and Software Laboratory Project 3 (Faculty of Engineering, Kyoto University)
2020 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Practice in Information Security (Faculty of Engineering, Kyoto University), Hardware and Software Laboratory Project 3 (Faculty of Engineering, Kyoto University)
2019 Fall: Hardware and Software Laboratory Project 2 (Faculty of Engineering, Kyoto University)
2019 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Practice in Information Security (Faculty of Engineering, Kyoto University)
2018 Fall: Hardware and Software Laboratory Project 2, Faculty of Engineering, Kyoto University
2018 Spring: Perspectives in Informatics 1 - Information Security (Graduate School of Informatics, Kyoto University), Practice in Information Security (Faculty of Engineering, Kyoto University)
2017 Fall: Hardware and Software Laboratory Project 2, Faculty of Engineering, Kyoto University
2017 Spring: Perspectives in Informatics 1 - Information Security, Graduate School of Informatics, Kyoto University

Projects

SecCap (Security Education Program for Graduate Students), Kyoto University team member, 2016.4-
enPiT-Security/Basic SecCap (Security Education Program for Undergraduate Students) Kyoto University team member, 2017.4-2025.2

Work Experience

2025.3- Associate Professor, Academic Center for Computing and Media Studies, Kyoto University
2024.4- Project Assistant Professor, Global Environment Data Commons, The University of Tokyo.
2016.4-2025.2 Assistant Professor, Academic Center for Computing and Media Studies, Kyoto University
2018.4-2022.3 Investigator, Science and Technology Foresight Center, National Institute of Science and Technology Policy, MEXT
2021.10-2022.3 Part-time Lecturer, Graduate School of Media Design, Keio University
2015.10-2016.1 Teaching Assistant in Graduate School of Informatics, Kyoto University
2013.4-2016.3: Research Fellow (DC1) of Japan Society for the Promotion of Science
2012.4-2015.3 Teaching Assistant in Academic Center for Computing and Media Studies, Kyoto University.
2013.1-2013.3 Research Assistant in Academic Center for Computing and Media Studies, Kyoto University.
2012.10-2013.3 Teaching Assistant (Hardware and Software Laboratory Project 2) in Faculty of Engineering, Kyoto University.
2012.6-2012.9 Teaching Assistant (IT Keys) in Graduate School of Informatics, Kyoto University
2011.8-2011.9 Research Intern in NEC System Platforms Research Laboratories.

Activities

Program Commitee

2025: IEEE COMPSAC (SEPT Track Co-Chair), APNOMS
2024: IEEE SDIM, IEEE ADMNET, ITRC meet55 (Co-Chair)
2023: IEEE SDIM, IEEE ADMNET, APNOMS
2022: IEEE SDIM, IEEE ADMNET, APNOMS
2021: IEEE SDIM, APNOMS
2020: IEEE SDIM, APNOMS, ITRC meet47 (Co-Chair)
2019: APNOMS, CFI, IEEE ICC MWS
2018: IEEE IWFIT
2017: ITRC meet41 (Co-Chair)
2016: AsiaFI Summer School (Co-Chair)
2012: AsiaFI Summer Scholl (Student PC)

External Reviewer

2025: IEICE Trans.
2024: IEICE Trans., IPSJ JIP, Internet of Things, IJCIP
2023: IEICE Trans., IPSJ JIP, Computers & Security
2022: IEICE Trans., IPSJ JIP, IEEE Access, Computer Communications
2021: IEICE Trans., IPSJ JIP, Journal of Internet Technology, IEEE Access
2020: IPSJ JIP, IEICE Trans., IEEE IT Pro
2019: IEEE CCNC, IPSJ JIP, IEICE Trans.
2018: IPSJ JIP, IEEE COMPSAC, IEEE TGCN, IEICE Trans.
2017: IEEE ICCCN 2017, China Communications, IEICE Trans.
2016: IEICE Trans., JSSST Computer Software, IPSJ/IEICE FIT 2016
2015: ICPP 2015

Other Academic Activities

Editorial Committee Member, IEICE Trans-B, Special Section on Special Section on Advancement of Internet Architecture, Applications and Platform Technologies Toward a Sustainable Society, 2024.12-
Editorial Committee Member, IPSJ JIP, Special issue of Computer Security Technologies for AI Society, 2024.5-
Member of Organisation Committee, CANS 2025
Member, The Editorial Committee of the Journal of Information Processing, 2024.6-
Member of Local Organization Committee, IEEE COMPSAC 2024
Editorial Committee Member, IPSJ JIP, Special Issue of Cybersecurity Technologies for Secure Supply-Chain, 2023.5-2024.9
Member of Organizing Committee, IPSJ Computer Security Symposium 2023 (CSS2023), 2023.10
Editorial Committee Member, IPSJ JIP, Special issue of Computer Security Technologies for Secure Cyberspace, 2022.7-2023.9
Member of Steering Committee, IPSJ Computer Security Group (CSEC), 2022.4-
Board member, ITRC, 2022.4-
Member of Organizing Committee, IPSJ Computer Security Symposium 2022 (CSS2022), 2022.10
Member of Organizing Committee, IEICE The 39th SYmposium on Cryptography and Information Security (SCIS2022), 2022.1
Local Arrangement, ITRC meet50, 2021.11
Secretary Assistant, Technical Committee on Internet Architecture, IEICE Communication Society, 2021.6-
Member of Local Organisation Committee, IEEE PerCom 2019
Guest Associate Editor, IEICE Transactions on Information and Systems, Special Section on the Architectures, Protocols, and Applications for the Future Internet, 2019.5
Member of Committee and Working Committee, JSPS 163rd Committee on Internet Technology, 2017.3-
Expert member, Technical Committee on Internet Architecture, IEICE Communication Society, 2016.6-2021.6
Organizing Commitee Chair, Computer Science Young Community, IPSJ Programming Symposium, 2015.10-
Organizing Member of Computer Science Young Community, IPSJ Programming Symposium, 2012.10-
IEICE Transactions on Communications, Guest Editor of Special Session (in Japanese), 2018.1
CJK Workshop Co-Chair, AsiaFI 2016 Summer School
CJK Workshop Co-Chair, AsiaFI 2015 Summer School
Student Committee Member, AsiaFI 2013 Summer School

Other Social Activities

2017.4- Jouraku-kai (KUIS Alumni) Secretary
2017.8 Security Camp 2017 Experienced Tutor
2012.3 Completed IT Keys Program
2010.8 A member of the steering commitee of Toyama IT Summer Camp 2010
2009.8 A member of the steering commitee and a tutor of Toyama IT Summer Camp 2009
2009.8 A tutor of Security and Programming Camp 2009
2009.3 A staff of NEC Senior IT Supporters Forum in Hokuriku internet live
2008.8 A member of the steering commitee and a tutor of Toyama IT Summer Camp 2008
2007.8 A tutor of Toyama IT Summer Camp 2007
2007.8 A tutor of Security Camp 2007
2007.6-2011.7 A member of the steering commitee of Toyama Regional Internet Organization
2006.8 A staff of the relive of Yakamochi's Noto cruise travel internet live
2005.8 A tutor of Toyama IT Summer Camp 2005
2005.8 A tutor of Security Camp 2005
2004.8 Completed Security Camp 2004
2004.4-2007.3 A member of the steering committee of IT Network Assist Takaoka