Looking for New B.S., M.S., and Ph.D. Students
Our lab is seeking highly motivated graduate students and interns to pursue research in computer systems and networking. Please reach out with your resume.
Research Interests
- Virtualization: NPU Virtualization, Unikernels, MicroVM, and Containers
- Networking: Networking/System support for NPUs, RDMA, Programmable NICs, and AI for Networking
- Datacenter: Resource Disaggregation, Microsecond-Scale Systems, and AI for Systems
Experiences
- Assistant Professor, Department of Computer Science, Hanyang University, Sep. 2026 - present
- Lab Advisor, Accelerated Computer System Laboratory
- Joint Appointment Professor, Department of Electronic Engineering, Hanyang University
- Postdoctoral Researcher, UT Networked Systems Research Group, The University of Texas at Austin, Sep. 2025 - Aug. 2026
- Advisor: Daehyeok Kim
- Principal Investigator of Postdoctoral Fellowship Program, Efficient Scaling of Microsecond-scale Scheduler with Hardware Acceleration and Learning-based Policy
- Research Assistant, Advanced Networking Lab, KAIST, 2017-2025.
- Head Research Assistant (2025), Development of Heterogeneous AI Chip Virtualization Technology (IITP K-Cloud)
- Head Research Assistant (2022-2025), Design and Implementation of Networking System Technology for Software-Defined Infrastructure
- Head Research Assistant (2019-2020), KAIST Open Energy Cloud Platform (OECP)
- Teaching Assistant, KAIST, 2017-2022, 2024.
- Taught CS341 (Introduction to Computer Networks), CS443 (Distributed Algorithms and Systems), and CS530 (Graduate Operating Systems). Its main job was teaching project assignments including KENS (KAIST Educational Network System), Raft consensus algorithm, and an OSv unikernel-based project.
- Developed and maintained KENS (KAIST Educational Network System). Its enhancements include memory safety, build system and development environment, and teaching ecosystem.
- Technical Assistant and Software Developer, Institute of Language and Information Studies, Yonsei University, 2013-2017.
Education
- Ph.D. in Computer Science, KAIST, Sep. 2019 - Aug. 2025.
- Co-advisors: Sue Moon and Youngjin Kwon
- M.S. in Computer Science, KAIST, Sep. 2017 - Aug. 2019.
- Advisor: Sue Moon
- B.S. in Electrical and Electronic Engineering, Yonsei University, Mar. 2013 - Feb. 2017.
- Minor: Computer Science
- Graduation with High Honors (Top 3%)
- GPA: 4.01/4.30
- Sunrin Internet High School, Mar. 2009 - Feb. 2012.
- Major: Information Communication
- Graduation with Highest Honors (Principal’s Award)
Publications
- The NIC Needs an Operating System.
- Wonsup Yoon and Daehyeok Kim
- Proceedings of the 25th ACM Workshop on Hot Topics in Networks (HotNets). 2026
- SwiftNPU: Scalable Shape-Flexible Allocation for Inter-Core Connected NPUs.
- Gangmin Lee, Wonsup Yoon, and Sue Moon
- Proceedings of the 5th Workshop on Machine Learning and Systems (EuroMLSys). 2026
- Secure and Efficient RDMA NIC Cryptography Offloading for Memory Disaggregation. [Link] [Slides]
- Wonsup Yoon and Sue Moon
- Proceedings of the ACM on Networking 3, CoNEXT4. 2025
- Adios to Busy-Waiting for Microsecond-scale Memory Disaggregation. [Link] [Slides]
- Wonsup Yoon, Jisu Ok, Sue Moon, and Youngjin Kwon
- Proceedings of the Twentieth European Conference on Computer Systems. 2025
- Dynamic Dispatcher Assignment With Flat-Combining. [Link]
- Gangmin Lee, Wonsup Yoon, and Sue Moon
- Proceedings of the Twentieth European Conference on Computer Systems (Poster Session) (EuroSys ‘25 Posters). 2025
- Poster: Pushing RDMA into Milliseconds RTT Communication. [Link]
- Jisu Ok, Wonsup Yoon, and Sue Moon
- Proceedings of the 20th International Conference on emerging Networking EXperiments and Technologies (Poster Session) (CoNEXT ‘24 Posters). 2024
- Poster: Designing a Memory Disaggregation System for Cloud. [Link]
- Wonsup Yoon, Jisu Ok, Sue Moon, and Youngjin Kwon
- Proceedings of the ACM SIGCOMM 2023 Conference Posters and Demos (SIGCOMM ‘23 Posters and Demos). 2023
- Host Efficient Networking Stack Utilizing NIC DRAM. [Link]
- Byeongkeon Lee, Donghyeon Lee, Jisu Ok, Wonsup Yoon, and Sue Moon
- Proceedings of the 7th Asia-Pacific Workshop on Networking (APNet). 2023
- Best Paper Award
- DiLOS: Do Not Trade Compatibility for Performance in Memory Disaggregation. [Link] [Slides]
- Wonsup Yoon, Jisu Ok, Jinyoung Oh, Sue Moon, and Youngjin Kwon
- Proceedings of the Eighteenth European Conference on Computer Systems (EuroSys). 2023
- Best Paper Runner-up
- DiLOS: adding performance to paging-based memory disaggregation. [Link]
- Wonsup Yoon, Jinyoung Oh, Jisu Ok, Sue Moon, and Youngjin Kwon
- Proceedings of the 12th ACM SIGOPS Asia-Pacific Workshop on Systems (APSys). 2021
- Accelerating disaggregated data centers using unikernel. [Link]
- Wonsup Yoon, Jinyoung Oh, Sue Moon, and Youngjin Kwon
- Proceedings of the ACM SIGCOMM 2020 Conference Posters and Demos (SIGCOMM ‘20 Posters and Demos). 2020
- Enveloping Implicit Assumptions of Intrusive Data Structures within Ownership Type System. [Link]
- Keunhong Lee, Jeehoon Kang, Wonsup Yoon, Joongi Kim, and Sue Moon
- Proceedings of the 10th Workshop on Programming Languages and Operating Systems (PLOS@SOSP). 2019
Awards and Honors
- Dec. 2025: CoNEXT 2025 Travel Grants (USD 2,000), NSF
- Sep. 2025: Postdoctoral Fellowship Program (KRW 60,000,000), NRF
- Sep. 2023: SIGCOMM 2023 Travel Grants (USD 1,500), ACM SIGCOMM
- Jun. 2023: Best Paper Award, APNet'23
- Jul. 2021: Best TA Award, KAIST
- Aug. 2016, Feb. 2017: Awarded High Honors (Top 3%), Yonsei University
- Dec. 2015, Sep. 2016: The National Scholarship for Science and Engineering, Korea Student Aid Foundation
- Sep. 2015, Mar. 2016: Yonsei Internal Scholarship, Yonsei University
- Feb. 2015, Aug. 2015, Feb. 2016: Awarded Honors (Top 10%), Yonsei University
- Aug. 2015: Korea Telecom Scholarship, Korea Telecom
Invited Talks
- KIISE KCC 2025: Adios to Busy-Waiting for Microsecond-scale Memory Disaggregation
- Invited for the top conference session.
- KIISE KCC 2024: Efficient Memory Disaggregation Systems Using Unikernel
- Invited for the doctorial forum.
- KIISE KCC 2024: DiLOS: Do Not Trade Compatibility for Performance in Memory Disaggregation
- Invited for the top conference session.
- Samsung GTS 2023: DiLOS: Do Not Trade Compatibility for Performance in Memory Disaggregation
- Invited for the Samsung Global Technology Symposium.
- EuroDW 2023: Designing a Latency-Optimized Scheduler for Memory Disaggregation
- Invited for the 17th EuroSys doctoral workshop.
Professional Activities
- 2026: APNet 2026 Program Committee
- 2022: EuroSys 2022 Shadow Program Committee
Contact
- Email: [email protected] (Work), [email protected] (Personal)
- GitHub: Pusnow
- Google Scholar: Wonsup Yoon
- LinkedIn: wsyoon
- ORCID: 0000-0002-6247-4119