Chinese Character of Li

Li CHEN - 陈 力

Associate Researcher, Zhongguancun Laboratory

Looking for new Ph.D students. Drop me an email and let's talk.


On the Web

GitHub | Google Scholar | LinkedIn | E-Mail | Twitter | ORCID | dblp | IETF | AIMiner

News
  • [2025-09-30] Looking for new Ph.D students!
  • [2025-09-29] Our work on NTP measurement will appear in IMC 2025!
  • [2025-09-19] Our work on agent serving system is accepted to NeurIPS 2025!
  • [2025-08-19] Our work on automatic network diagram comprehension is accepted to ICNP 2025!
  • [2025-07-14] Our work on the statistical foundation for congestion control evaluation is accepted to NSDI 2026!
  • [2025-07-13] Our work on a new topology for LLM training is accepted to SIGCOMM 2025!
  • [2025-07-13] Our short paper on Internet topology measurement is accepted to SIGCOMM 2025!
  • [2025-07-09] CEGS and ZoomSynth are now all open-source!
  • [2025-04-30] Our paper on a new DNSSec vulneralbility, RUC, is accepted to USENIX Security 2025!
  • [2025-03-11] Our new benchmark for LLMs, CSEBenchmark, is accepted to IEEE S&P 2025!
  • [2025-01-03] Multiverse is now open-source!
  • [2024-12-10] Multiverse, ZoomSynth, and CEGS are accepted to NSDI 2025!
  • [2024-12-06] SAIP is accepted to IEEE INFOCOM 2025.
  • [2024-11-10] Organized a forum on network digital twin and applications of LLM in networking in CCF ChinaNet 2024.
  • [2024-11-08] Presented our work on topology and pipeline optimizations for large model training in CCF ChinaNet 2024.
Previously...
  • [2024-09-04] Looking for new Ph.D students!
  • [2024-08-12] ProphetFuzz is accepted to CCS 2024 with minor revision.
  • [2024-08-08] Attended SIGCOMM 2024 in Sydney and chaired the session on scheduling data transfer.
  • [2024-07-24] Our joint work with Alibaba, a simulator for LLM training, is accepted to NSDI 2025.
  • [2024-07-24] Attended SAVNET WG meeting online and presented SiSPI object for RPKI in IETF 120.
  • [2024-05-05] Our work on multi-agent RL, RedTE, is accepted to SIGCOMM 2024.
  • [2024-03-19] Attended SAVNET WG meeting and SidrOps WG meeting in Brisbane and presented SiSPI object for RPKI in IETF 119.
  • [2023-12-08] Klonet is accepted to NSDI 2024.
  • [2023-11-07] Attended SAVNET WG meeting in Prague and presented SAVOP in IETF 118.
  • [2023-09-30] dRR and our measurement study on ROV deployment are accepted to NDSS 2024.
  • [2023-09-27] Attended Huawei STW 2023 and presented DONS.
  • [2023-09-15] Presented our work on LLM for NetOps in CCF ChinaNet 2023.
  • [2023-07-06] Looking for my first batch of Ph.D students!
  • [2023-05-18] DONS is accepted to SIGCOMM 2023.
  • [2023-04-06] Primus published in IEEE ToN.
  • [2023-03-29] Attended SAVNET WG meeting remotely and presented SAVOP in IETF 116.
  • [2023-02-06] GIFT published in IEEE JSAC.
  • [2023-02-03] APF published in IEEE TPDS.
  • [2023-01-03] Promoted to Associate Researcher at Zhongguancun Laboratory.
  • [2022-12-02] Elected to CCF TCI Executive Commitee.
  • [2022-09-06] Focused Garbage Collection is accepted to ICCD 2022.
  • [2022-08-06] Best Paper Award of SIGCOMM 2022 for NAssim!
  • [2022-07-19] CRONUS is accepted to MICRO 2022.
  • [2022-06-01] I joined Zhongguancun Laboratory.
  • [2022-05-06] DeepQueueNet is accepted to SIGCOMM 2022.
  • [2022-05-06] NAssim is accepted to SIGCOMM 2022.
  • [2022-04-30] SOTER is accepted to ATC 2022.
  • [2021-11-14] NASPipe is accepted to ASPLOS 2022!
  • [2021-10-01] New site is online.


Selected Publications

AI for Network
  • [NSDI'25] Liu, Jianmin; Chen, Li; Li, Dan; Miao, Yukai. "CEGS: Configuration Example Generalizing Synthesizer."
  • [NSDI'25] Wang, Xizheng; Liu, Libin; Chen, Li; Li, Dan; Miao, Yukai; Bai, Yu. "Resolving Packets from Counters: Enabling Multi-scale Network Traffic Super Resolution via Composable Large Traffic Model."
  • [SIGCOMM'24] Gui, Fei, Songtao Wang, Dan Li, Li Chen, Kaihui Gao, Congcong Min, and Yi Wang. "RedTE: Mitigating subsecond traffic bursts with real-time and distributed traffic engineering."
  • [SIGCOMM'22] Chen, Huangxun, Yukai Miao, Li Chen, Haifeng Sun, Hong Xu, Libin Liu, Gong Zhang, and Wei Wang. "Software-defined Network Assimilation: Bridging the Last Mile Towards Centralized Network Configuration Management with NAssim."
  • [SIGCOMM'18] Chen, Li, Justinas Lingys, Kai Chen, and Feng Liu. "AuTO: Scaling Deep Reinforcement Learning for Datacenter-Scale Automatic Traffic Optimization."
  • ...
 Data Center Performance
  • [SIGCOMM'25] Yan, Zihan; Li, Dan; Chen, Li; Xiong, Dian; Gao, Kaihui; Zhang, Yiwei; Yan, Rui; Zhang, Menglei; Zhang, Bochun; Jiang, Zhuo; others. "From ATOP to ZCube: Automated Topology Optimization Pipeline and A Highly Cost-Effective Network Topology for Large Model Training."
  • [SOSP'21] Shixiong Zhao, Fanxin Li, Xusheng Chen, Tianxiang Shen, Li Chen, Sen Wang, Nicholas Zhang, Cheng Li, and Heming Cui. "NASPipe: high performance and reproducible pipeline parallel supernet training via causal synchronous parallelism"
  • [NSDI'17] Li Chen, Kai Chen, Joshua Zhu, Minlan Yu, George Porter, Chunming Qiao, and Shan Zhong. "Enabling wide-spread communications on optical fabric with MegaSwitch. "
  • [SIGCOMM'16] Li Chen, Kai Chen, Wei Bai, and Mohammad Alizadeh. "Scheduling mix-flows in commodity datacenters with Karuna."
  • ...
 Scalable Simulations
  • [NSDI'25] Wang, Xizheng; Li, Qingxu; Xu, Yichi; Lu, Gang; Li, Dan; Chen, Li; Zhou, Heyang; Zheng, Linkang; Zhang, Sen; Zhu, Yikai. "SimAI: Unifying Architecture Design and Performance Tuning for Large-Scale Large Language Model Training with Scalability and Precision."
  • [NSDI'25] Gui, Fei; Gao, Kaihui; Chen, Li; Li, Dan; Liu, Vincent; Zhang, Ran; Yang, Hongbing; Xiong, Dian. "Accelerating Design Space Exploration for LLM Training Systems with Multi-experiment Parallel Simulation."
  • [SIGCOMM'23] Gao, Kaihui, Li Chen, Dan Li, Vincent Liu, Xizheng Wang, Ran Zhang, and Lu Lu. "DONS: Fast and Affordable Discrete Event Network Simulation with Automatic Parallelization."
  • [SIGCOMM'22] Yang, Qingqing, Xi Peng, Li Chen, Libin Liu, Jingze Zhang, Hong Xu, Baochun Li, and Gong Zhang. "DeepQueueNet: Towards Scalable and Generalized Network Performance Estimation with Packet-level Visibility."
  • ...

View the full list here [bib], or refer to my Google Scholar page, which I keep updated.

Selected Talks

MegaSwitch [NSDI'17] | PowerMan [NSDI'18] | AuTO [SIGCOMM'18] | Semantic Infra (In Chinese)


Projects

ns.py | DONS | DeepQueueNet | SAVOP | NAssim| Multiverse


Services

2024,2025 SIGCOMM TPC
2026 AAAI TPC
2025,2026 SIGKDD Reviewer
2023,2025 ICDCS TPC
2025 APNet TPC
2024 SIGCOMM Session Chair
2024 CCF ChinaNet Sub-Forum Co-Chair
2021 APSys-Winter TPC
2021 Huawei Queueing Theory Workshop Organizer
2018 Tencent-Barefoot P4 Day Organizer
2017 APNet Web Chair
- CCF TCI EC Member
- IEEE/ACM ToN Reviewer
- ACM ToPC Reviewer
- Elsevier ComNet Reviewer


Students

2023 Rundi Zhai (Cosupervised with Prof. Baojiang Cui @BUPT)
2023 Ni Jin (Cosupervised with Prof. Baojiang Cui @BUPT)
2024 Yang Zhang (Cosupervised with Prof. Baojiang Cui @BUPT)
2025 Rongkang Sun (Cosupervised with Prof. Baojiang Cui @BUPT)
2026 Wenzhou Yang (Cosupervised with Prof. Baojiang Cui @BUPT)
2026 Lixiao Zhang (Cosupervised with Prof. Yu Zhang @HIT)


Professional Experience

Jun 2022 ➯ Now Associate Researcher, Zhongguancun Laboratory
Jan 2020 ➯ May 2022 Systems Researcher, Huawei Hong Kong Research Center
Jul 2018 ➯ Dec 2019 Senior Engineer, Network Platform Division, TEG, Tencent
Oct 2017 ➯ Now Certified Instructor, NVIDIA Deep Learning Institute
Sep 2011 ➯ Jul 2018 Teaching Assistant, HKUST


Education

2018 Ph.D. in Computer Science and Engineering HKUST
2013 M.Phil. in Electronic and Computer Engineering HKUST
2011 B.Eng. in Electronic and Computer Engineering HKUST
(with First Class Honors and Minor in Mathematics)
2009 Exchange student in College of Engineering University of Michigan


Awards and Honors

2024 中国电子学会技术发明一等奖
(First-Class Award for Technological Invention, Chinese Institute of Electronics)
2024 Outstanding Reviewer of KDD25 Research Track
2023 AI 2000 Most Influential Scholar Award Honorable Mention in Computer Networking
2022 SIGCOMM Best Paper Award
2016 Microsoft Research Asia Ph.D. Fellowship
2010 The Commercial Radio 50th Anniversary Scholarships
2010 Meritorious Winner of Mathematical Competition of Modeling
2007-2011 HKUST Scholarship for Continuing UG Students