Lancheng Qin bio photo

Email

Google Scholar

About Me

Lancheng Qin is currently an Assistant Researcher at Zhongguancun Laboratory. His research interests include routing security, source address validation, and network measurement.

He has been participating in IETF since 2020 and currently serves as the Secretary of the IETF GROW Working Group. His research has been published in venues including NDSS, USENIX Security, and INFOCOM. He is also an author of multiple IETF WG documents. He has served as a TPC member for ACM CCS and APNIC conference, and as an STPC member for IMC 2025 and IMC 2026.

His personal homepage is https://lanchengthu.github.io/. His email contact is qinlc@mail.zgclab.edu.cn

Academic Background

  • Jul 2024 - Now: Assistant Researcher in 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 IEEE 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 ISOC 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

  • Lancheng Qin, Dan Li, Jianping Wu, Mingqing Huang, Nan Geng. Problem Statement, Gap Analysis, and Requirements for Intra-domain Source Address Validation. In IETF SAVNET WG.
  • Dan Li, Lancheng Qin, Libin Liu, Mingqing Huang, Kotikalapudi Sriram. Problem Statement, Gap Analysis, and Requirements for Inter-domain Source Address Validation. 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 IEEE 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 ISOC 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.