I am a senior researcher in the Intelligent Networked Systems group at Microsoft Research Redmond (previously Office of the CTO, Azure for Operators). I did my Ph.D. in University of Pennsylvania advised by Prof. Vincent Liu. Before Penn, I sampled random experiences in various contexts of networked systems.

My interests are broadly in systems and networking and I am captivated by the tangible, interdisciplinary nature of the domain. I am excited about (1) developing high-efficiency designs that tightly couple emerging hardware, software, and applications, and (2) exploring innovative practices to eliminate residual waste in modern systems. I am also interested in understanding the trade-offs involved, especially in relation to robustness, fairness, and usability.

Recent Publication

• Enabling Silent Telemetry Data Transmission with InvisiFlow
  Yinda Zhang, Liangcheng Yu, Gianni Antichi, Ran Ben Basat, and Vincent Liu
  USENIX Symposium on Networked Systems Design and Implementation (NSDI), Apr 2025
  [paper]

  

• Beaver: Practical Partial Snapshots for Distributed Cloud Services
  Liangcheng Yu, Xiao Zhang, Haoran Zhang, John Sonchack, Dan R. K. Ports, and Vincent Liu
  USENIX Symposium on Operating Systems Design and Implementation (OSDI), July 2024
  [paper, code, slides, video]
  Artifact available Artifact functional Artifact reusable

  

• Cowbird: Freeing CPUs to Compute by Offloading the Disaggregation of Memory
  Xinyi Chen, Liangcheng Yu, Vincent Liu, and Qizhen Zhang
  Proceedings of the ACM SIGCOMM Conference (SIGCOMM), Sep 2023
  [paper]
  

  

• Cebinae: Scalable In-network Fairness Augmentation
  Liangcheng Yu, John Sonchack, and Vincent Liu
  Proceedings of the ACM SIGCOMM Conference (SIGCOMM), Aug 2022
  [paper, code, slides]
  Artifact available Artifact functional Artifact reusable

  

• PrintQueue: Performance Diagnosis via Queue Measurement in the Data Plane
  Yiran Lei, Liangcheng Yu, Vincent Liu, and Mingwei Xu
  Proceedings of the ACM SIGCOMM Conference (SIGCOMM), Aug 2022
  [paper, code]
  Artifact available Artifact functional Artifact reusable

  

• OrbWeaver: Using IDLE Cycles in Programmable Networks for Opportunistic Coordination
  Liangcheng Yu, John Sonchack, and Vincent Liu
  USENIX Symposium on Networked Systems Design and Implementation (NSDI), Apr 2022
  [paper, slides, code, video]

  

• Mantis: Reactive Programmable Switches
  Liangcheng Yu, John Sonchack, and Vincent Liu
  Proceedings of the ACM SIGCOMM Conference (SIGCOMM), Aug 2020
  [paper, video, code, slides, APNIC blog]
  Artifact available Artifact functional Artifact reusable

  

Experience (More)

• 05/2023~08/2023
  Researcher Intern, Networking Research Group, Microsoft Research Redmond
• 05/2022~08/2022
  Researcher Intern, Azure Hardware, Microsoft Corporation
• 05/2021~04/2023
  SDE Intern & Student Researcher (part-time, intermittent), NetInfra, Google LLC
• 09/2018~04/2019
  Visiting Student Researcher, Berkeley NetSys Lab, UC Berkeley
• 10/2017~02/2018
  Intern, Swedish Institute of Computer Science (RISE SICS), Kista, Stockholm
• 08/2017~01/2018
  Software Developer Intern, Ericsson, Kista, Stockholm

Award (More)

• Morris and Dorothy Rubinoff Award (Best Computer Science Ph.D. thesis at Penn), 2024
• Penn Presidential PhD Fellow, 2021-2024
• Master thesis grant, Zeno Karl Schindler Foundation (Geneva, Switzerland), 2018
• Honorable mention, IEEE ComSoc student competition, 2017
• ETH Zürich Swiss-European Mobility Program (SEMP) scholarship, 2017
• KTH student ambassador for Information and Network Engineering, 2017
• KTH one-year scholarship for academic excellence, 2017

Misc

• Significant other
• Vinty (5 yrs old) & Wuggi (4 yrs old)