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About Me

I am currently an Assistant Researcher in Beijing Zhongguancun Laboratory. I received my Ph.D. from Department of Computer Technology and Science, Tsinghua University in 2024, advised by Professor Dan Li. In addition to academic research, I have been participanting in IETF since 2020. My email address is qinlc@mail.zgclab.edu.cn

Academic Background

  • Jul 2024 - Now: Assistant Researcher in Beijing Zhongguancun Laboratory
  • Sep 2019 - Jun 2024: Ph.D Student in Tsinghua University
  • Sep 2015 - Jun 2019: Undergraduate Student in Beijing Institute of Technology

Research Interests

  • Routing Security
  • Internet Measurement
  • Anti-spoofing

Professional Experiences

Research Papers

  • Siyuan Teng, Lancheng Qin (corresponding author), Li Chen, Dan Li, Ruifeng Li, Jianping Wu. Accurate and Stable AS Relationship Inference via Trusted Seeds and Semi-Supervised Learning. In INFOCOM 2026.
  • Shuai Wang, Ruifeng Li, Li Chen, Dan Li, Lancheng Qin, Qian Cao. OSAVRoute: Advancing Outbound Source Address Validation Deployment Detection with Non-Cooperative Measurement. In NDSS 2026.
  • Weiqiang Cheng, Shengnan Yue, Lancheng Qin, Han Li. 3L-SAV: A Three-Layer Intra-Domain Source Address Validation Framework for Hierarchical Operator Networks. In APNOMS 2025.
  • Lancheng Qin, Li Chen, Dan Li, Honglin Ye, Yutian Wang. Understanding Route Origin Validation (ROV) Deployment in the Real World and Why MANRS Action 1 Is Not Followed. In ISOC NDSS 2024.
  • Lancheng Qin, Libin Liu, Li Chen, Dan Li, Yuqian Shi, Hongbing Yang. UniSAV: A Unified Framework for Internet-Scale Source Address Validation. In IRTF ANRW 2024.
  • Lancheng Qin, Dan Li, Ruifeng Li, Kang Wang. Themis: Accelerating the Detection of Route Origin Hijacking by Distinguishing Legitimate and Illegitimate MOAS. In USENIX Security 2022.

IETF WG Documents

  • Dan Li, Lancheng Qin, Libin Liu, Mingqing Huang, Kotikalapudi Sriram. Source Address Validation in Inter-domain Networks Gap Analysis, Problem Statement, and Requirements. in IETF SAVNET WG
  • Dan Li, Jianping Wu, Lancheng Qin, Mingqing Huang, Nan Geng. Source Address Validation in Intra-domain Networks Gap Analysis, Problem Statement, and Requirements. In IETF SAVNET WG.
  • Dan Li, Jianping Wu, Lancheng Qin, Nan Geng, Li Chen. Intra-domain Source Address Validation (SAVNET) Architecture. In IETF SAVNET WG.
  • Li Chen, Dan Li, Libin Liu, Lancheng Qin. Benchmarking Methodology for Intra-domain and Inter-domain Source Address Validation. In IETF BMWG.
  • Dan Li, Li Chen, Nan Geng, Libin Liu, Lancheng Qin. Inter-domain Source Address Validation (SAVNET) Architecture. In IETF SAVNET WG.

News and Updates

  • May 2026: Our work Accurate and Stable AS Relationship Inference via Trusted Seeds and Semi-Supervised Learning has been accepted to INFOCOM 2026. See you in Tokyo!
  • Feb 2026: Our work Benchmarking Methodology for Intra-domain and Inter-domain Source Address Validation has been adopted in IETF BMWG.
  • Feb 2026: Our work OSAVRoute: Advancing Outbound Source Address Validation Deployment Detection with Non-Cooperative Measurement has been accepted to NDSS 2026.
  • Sep 2025: Our work 3L-SAV: A Three-Layer Intra-Domain Source Address Validation Framework for Hierarchical Operator Networks has been accepted to APNOMS 2025.
  • Nov 2024: Our work Inter-domain Source Address Validation (SAVNET) Architecture has been adopted in IETF SAVNET WG.
  • Jul 2024: Our work UniSAV: A Unified Framework for Internet-Scale Source Address Validation has been accepted to IRTF ANRW 2024.
  • Jun 2024: I was awarded the Excellent PhD graduate of Beijing.
  • Jun 2024: I received my Ph.D. from Department of Computer Technology and Science, Tsinghua University.
  • Apr 2024: Our work Intra-domain Source Address Validation (SAVNET) Architecture has been adopted in IETF SAVNET WG.
  • Feb 2024: Our work Understanding Route Origin Validation (ROV) Deployment in the Real World and Why MANRS Action 1 Is Not Followed has been accepted to ISOC NDSS 2024.
  • Jul 2023: Our work Source Address Validation in Inter-domain Networks Gap Analysis, Problem Statement, and Requirements has been adopted in IETF SAVNET WG.
  • May 2023: Our work Source Address Validation in Intra-domain Networks Gap Analysis, Problem Statement, and Requirements has been adopted in IETF SAVNET WG.
  • Dec 2022: I won the national doctoral scholarship.
  • Aug 2022: Our work Themis: Accelerating the Detection of Route Origin Hijacking by Distinguishing Legitimate and Illegitimate MOAS has been accepted to USENIX Security 2022.
  • Jun 2022: We formed SAVNET WG in IETF Routing Area.
  • Jul 2020: My first IETF meeting.
  • Jun 2019: I received my bachelor degree from School of Automation, Beijing Institute of Technology.