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Kai Chen (short bio) Professor (currently on Sabbatical Leave) Department of Computer Science & Engineering Hong Kong University of Science & Technology Clear Water Bay, Hong Kong SAR, China
Office: CYT-3005 (via lift 35/36) |
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Welcome to Kai Chen's Homepage! I received BS/MS in 2004/2007 from USTC and PhD in 2012 from Northwestern all in Computer Science, and joined HKUST in July 2012, where I direct the intelligent System & networkING (iSING) Lab and the WHAT Lab WeChat-HKUST Joint Lab on Artificial Intelligence Technology.iSING Lab News Research Publications Teaching Students Professional Activities |
News
If you're interested in applying for a PhD, PostDoc, or RA position with me, please read this.
Research
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Research Interests
- Data Center Networks
- High-performance Networking
- AI-centric Networking
- Machine Learning Systems
- Hardware Acceleration
- Privacy-preserving Computing
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Selected Publications (Full List)
- "Fast, Scalable, and Accurate Rate Limiter for RDMA NICs", ACM SIGCOMM 2024 [pdf]
- "Towards Domain-Specific Network Transport for Distributed DNN Training", USENIX NSDI 2024 [pdf]
- "Accelerating Neural Recommendation Training with Embedding Scheduling", USENIX NSDI 2024 [pdf]
- "Flow Scheduling with Imprecise Knowledge", USENIX NSDI 2024 [pdf]
- "Accelerating Secure Collaborative Machine Learning with Protocol-Aware RDMA", USENIX Security 2024 [pdf]
- "Astraea: Towards Fair and Efficient Learning-based Congestion Control", ACM EuroSys 2024 [pdf]
- "Accelerating Privacy-Preserving Machine Learning With GeniBatch", ACM EuroSys 2024 [pdf]
- "FLASH: Towards a High-performance Hardware Acceleration Architecture for Cross-silo Federated Learning", USENIX NSDI 2023 [pdf]
- "SRNIC: A Scalable Architecture for RDMA NICs", USENIX NSDI 2023 [pdf]
- "Egeria: Efficient DNN Training with Knowledge-Guided Layer Freezing", ACM EuroSys 2023 [pdf]
- "Tabi: An Efficient Multi-Level Inference System for Large Language Models", ACM EuroSys 2023 [pdf]
- "Spine: An Efficient DRL-based Congestion Control with Ultra-low Overhead", ACM CoNEXT 2022 [pdf]
- "LiteFlow: Towards High-performance Adaptive Neural Networks for Kernel Datapath", ACM SIGCOMM 2022 [pdf]
- "FAERY: An FPGA-accelerated Embedding-based Retrieval System", USENIX OSDI 2022 [pdf]
- "Sphinx: Enabling Privacy-Preserving Online Learning over the Cloud", IEEE S&P 2022 [pdf]
- "Multi-Objective Congestion Control", ACM EuroSys 2022 [pdf]
- "Tiara: A Scalable and Efficient Hardware Acceleration Architecture for Stateful Layer-4 Load Balancing", USENIX NSDI 2022 [pdf]
- "Aeolus: A Building Block for Proactive Transport in Datacenters", ACM SIGCOMM 2020 [pdf]
- "Enabling ECN for Datacenter Networks with RTT Variations", ACM CoNEXT 2019 [pdf]
- "AuTO: Scaling Deep Reinforcement Learning to Enable Datacenter-Scale Automatic Traffic Optimization", ACM SIGCOMM 2018 [pdf]
- "PowerMan: An Out-of-Band Management Network for Datacenters using Power Line Communication", USENIX NSDI 2018 [pdf]
- "Resilient Datacenter Load Balancing in the Wild", ACM SIGCOMM 2017 [pdf]
- "Enabling Wide-spread Communications on Optical Fabric with MegaSwitch", USENIX NSDI 2017 [pdf]
- "Enabling ECN over Generic Packet Scheduling", ACM CoNEXT 2016 [pdf]
- "Scheduling Mix-flows in Commodity Datacenters with Karuna", ACM SIGCOMM 2016 [pdf]
- "CODA: Toward Automatically Identifying and Scheduling Coflows in the Dark", ACM SIGCOMM 2016[pdf]
- "Enabling ECN in Multi-Service Multi-Queue Data Centers", USENIX NSDI 2016 [pdf]
- "Guaranteeing Deadlines for Inter-Datacenter Transfers", ACM EuroSys 2015 [pdf]
- "Information-Agnostic Flow Scheduling for Commodity Data Centers", USENIX NSDI 2015 [pdf]
- "Explicit Path Control in Commodity Data Centers: Design and Applications", USENIX NSDI 2015 [pdf]
- "OSA: An Optical Switching Architecture for Data Center Networks with Unprecedented Flexibility", USENIX NSDI 2012 [pdf]
- "Generic and Automatic Address Configuration for Data Center Networks", ACM SIGCOMM 2010 (Best paper candidate!) [pdf]
- "Where the Sidewalk Ends: Extending the Internet AS Graph Using Traceroutes From P2P Users", ACM CoNEXT 2009 [pdf]
Teaching
- Computer Communication Networks Spring 2021, 2020, 2019, 2018, 2017, 2016, 2014
- Operating Systems Spring 2022, 2021, 2020, Fall 2018, 2016, 2014, 2013
- Federated Learning Spring 2021
- Foundations of Data Analytics Spring 2022, Fall 2020, 2019
Students and their Achievements
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Current Members
- Jinbin Hu (PostDoc, Winter 2021)
- Xinchen Wan (PhD student, Fall 2018)
- Liu Yang (PhD student, co-supervise with Prof. Qiang Yang, Fall 2018)
- Di Chai (PhD student, Fall 2019)
- Hao Wang (PhD student, Fall 2019)
- Zilong Wang (PhD student, Fall 2019)
- Hao Xu (PhD student, Fall 2019)
- Yilun Jin (PhD student, co-supervise with Prof. Qiang Yang, Fall 2019)
- Xudong Liao (PhD student, Fall 2020)
- Zhenghang Ren (PhD student, Fall 2020)
- Kaiqiang Xu (PhD student, Fall 2020)
- Wenxue Li (PhD student, Fall 2021)
- Liming Zhang (PhD student, Fall 2022)
- Xinyang Huang (PhD student, Fall 2023)
- Decang Sun (PhD student, Fall 2023)
- Yijun Sun (PhD student, Fall 2023)
- Xinyu Yang (PhD student, Fall 2023)
- Yuxuan Li (PhD student, Fall 2024)
- Qijing Li (PhD student, Fall 2024)
- Pengbo Li (PhD student, Fall 2024)
- Xiangzhou Liu(PhD student, Fall 2024)
- Yunxuan Zhang (PhD student, Fall 2024)
- Feiyuan Zhang (MPhil student, Spring 2023)
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Past Members
- Weiyan Wang (PhD #10, 2023, Researcher at Tencent)
- Chaoliang Zeng (PhD #9, 2023, Researcher at Huawei, Gifted Young Award)
- Han Tian (PhD #8, 2023, Assistant Professor, USTC)
- Yiding Wang (PhD #7, 2023, Researcher at Huawei Hong Kong)
- Junxue Zhang (PhD #6, 2022, Co-founder/CTO at Clustar)
- Gaoxiong Zeng (PhD #5, 2021, Researcher at Huawei, Gifted Young Award)
- Shuihai Hu (PhD #4, 2019, Principal Research Engineer at Huawei)
- Hong Zhang (PhD #3, 2019, Assistant Professor, University of Waterloo)
- Li Chen (PhD #2, 2018, Researcher at Zhongguancun Lab)
- Wei Bai (PhD #1, 2017, Senior Researcher at Microsoft Research Redmond)
- Xiaojin Zhang (PostDoc 2023, Assistant Professor, Huazhong University of Science and Technology)
- Hao Liu (PostDoc 2021, Assistant Professor, HKUST-Guangzhou)
- Wenxin Li (PostDoc 2019, Associate Professor, Tianjin University)
- Yuchao Zhang (PostDoc 2018, Associate Professor, Beijing University of Posts and Telecommunications)
- Hengky Susanto (PostDoc, 2016, Principle Researcher Scientist at Huawei)
- Yuxuan Qin (MPhil 2024)
- Mingxuan Fan (MPhil 2024)
- Xiaodian Cheng (MPhil 2023)
- Shuowei Cai (MPhil 2023)
- Ding Tang (MPhil 2022)
- Yiqing Ma (MPhil 2021)
- Cengguang Zhang (MPhil 2021)
- Zhuoyi Peng (MPhil 2021)
- Duowen Liu (MPhil 2021)
- Zhaorong Liu (MPhil 2021)
- Jingrong Chen (MPhil 2020)
- Ge Chen (MPhil 2020)
- Zhaoxiong Yang (MPhil 2020)
- Jiacheng Xia (MPhil 2019)
- Qinghe Jing (MPhil 2019)
- Bairen Yi (MPhil 2019)
- Justinas Lingys (MPhil 2018)
- Baochen Qiao (MPhil 2018)
- Yang Peng (MPhil 2014)
- Ye Tao (MPhil 2014)
- Ziyang Li (Intern student, from National Univ. of Defense Technology)
- Jinzhen Bao (Intern student, from National Univ. of Defense Technology)
- Zhuotao Liu (Intern student, from Univ. of Illinois Urbana-Champaign)
- Hao Wang (Intern student, from Shanghai Jiaotong Univ.)
- Weiyu Zhang (Intern student, from Shanghai Jiaotong Univ.)
- Yangming Zhao (Intern student, from Univ. of Electronic Science and Technology of China)
- Weicheng Sun (Intern student, from Shanghai Jiaotong Univ.)
- Zhouwang Fu (Intern student, from Shanghai Jiaotong Univ.)
- Hao Jin (Intern student, from Nanjing Univ.)
- Libin Liu (Intern student, from Shandong Univ.)
- Kun Guo (Visiting scholar, from Fuzhou University)
- Xuangou Wu (Visiting scholar, from Anhui Univ. of Technology)
- Deke Guo (Visiting scholar, from National Univ. of Defense Technology)
- Hangxing Wu (Visiting scholar, from Univ. of Science and Technology Beijing)
- Dezun Dong (Visiting scholar, from National Univ. of Defense Technology)
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Student Supervision Achievements
- Chaoliang Zeng, PhD, Honorable Mention in CSE Best PhD Dissertation Award, 2022/23
- Junxue Zhang, PhD, Honorable Mention in CSE Best PhD Dissertation Award, 2021/22
- Li Chen, PhD, Microsoft Research Asia PhD Fellowship Award, 2016
- Hong Zhang, PhD, Google PhD Fellowship Award, 2016
- Wei Bai, PhD, Microsoft Research Asia PhD Fellowship Award, 2015
Professional Activities
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Journal Editorship
- Editor, IEEE/ACM Transactions on Networking, 2019 - present
- Associate Editor, IEEE Transactions on Cloud Computing, 2018 - 2022
- Associate Editor, IEEE Transactions on Big Data, 2016 - 2020
- Guest Editor, Journal of Computer Research and Development special issue on "Data-driven Networking", 2020
- Guest Editor, China Communications special issue on "New Era of Software Defined Networking", 2016
- Steering Committee
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Program Committee
- 2025 SIGCOMM, NSDI, EuroSys, INFOCOM (TPC Area-chair)
- 2024 SIGCOMM, CoNEXT, INFOCOM (TPC Area-chair), ICNP (TPC Co-chair)
- 2023 SIGCOMM, INFOCOM (TPC Area-chair), ICNP, ICDCS
- 2022 CoNEXT, INFOCOM, APNet, ICDCS
- 2021 SIGCOMM, NSDI, INFOCOM, SOSR, HotNets
- 2020 SIGCOMM poster/demo, SIGCOMM-NetAI, CoNEXT, INFOCOM, IEEE BigData (PC Vice-chair)
- 2019 SIGCOMM, SIGCOMM poster/demo (PC Co-chair), NSDI, INFOCOM
- 2018 SIGCOMM poster/demo, NSDI, INFOCOM, APNet
- 2017 SIGCOMM poster/demo, INFOCOM, APNet (PC Co-chair), Sigcomm-China-Symposium (PC Co-chair), ANCS
- 2016 IEEE INFOCOM, IEEE LANMAN, IEEE ICCCN
- 2015 IEEE INFOCOM, IEEE LANMAN, IEEE ICCCN
- 2014 ACM SIGCOMM poster/demo, USENIX HotCloud, IEEE INFOCOM, IEEE LANMAN
- 2013 ACM SIGCOMM poster/demo
- 2012 ACM CoNEXT student workshop
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Services
- 2025 General Co-Chair, ACM CoNEXT
- 2021 Publicity Chair, IEEE ICNP
- 2019 Demo Chair, ACM SIGCOMM
- 2018 Workshop Chair, IEEE ICNP
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