Publications

• MoCE: A Mixture of Context-aware Experts Framework for Troubleshooting Internet-scale Services
Vipul Harsh, Sayan Sinha, Henry Milner, B. Aditya Prakash, Vyas Sekar, Hui Zhang.
USENIX NSDI, May 2026.


• Starfish: A Topology-Routing Co-Design for Small-Scale Data Centers
Anchengcheng Zhou, Vipul Harsh, Sangeetha A. Jyothi, Maria Apostolaki, Brighten Godfrey.
USENIX NSDI, May 2026.


• Automatically Surfacing Opportunities for Improvements In Internet-Scale Applications
Vipul Harsh, Sayan Sinha, Henry Milner, Haijie Wu, B. Aditya Prakash, Vyas Sekar, Hui Zhang.
ACM HotNets, November 2025.
• Slides


• TraceWeaver: Distributed Request Tracing for Microservices Without Application Modification
Sachin Ashok, Vipul Harsh, Brighten Godfrey, Radhika Mittal, Srinivasan Parthasarthy, Larisa Shwartz.
ACM SIGCOMM, August 2024.

• Talk at SIGCOMM
• Talk at KubeCon


• Systems, Models and Algorithms for Failure Diagnosis in Networked Infrastructure
Vipul Harsh
Ph.D. thesis, April 2024.


• Murphy: Performance Diagnosis of Distributed Cloud Applications
Vipul Harsh, Wenxuan Zhou, Sachin Ashok, Radhika N. Mysore, Brighten Godfrey, Sujata Banerjee.
ACM SIGCOMM, September 2023.

• Talk at SIGCOMM
• VMware's blog about product adoption
• Slides


• Flock: Accurate Network Fault Localization at Scale
Vipul Harsh, Tong Meng, Kapil Agrawal, Brighten Godfrey.
ACM CoNEXT, December 2023.


• Optimal Round and Sample-Size Complexity for Partitioning in Parallel Sorting
  Wentao Yang*, Vipul Harsh*, Edgar Solomonik.
  ACM SPAA, June 2023.
  • Slides
  
  
• Spineless Data centers
  Vipul Harsh, Sangeetha Abdu Jyothi, Brighten Godfrey.
  ACM HotNets, November 2020.
  • Talk at HotNets
  • Slides, Code
  
  
• Histogram Sort with Sampling
Vipul Harsh, Laxmikant Kale, Edgar Solomonik.
ACM SPAA, June 2019.

• Talk at Charm++ Workshop, UIUC
• Slides, Code


• Histogram Sort with Sampling
Vipul Harsh
M.S. thesis, May 2017.

In submission/preparation

• FaultFerence: Diagnosing Gray Failures via Passive Telemetry
Vipul Harsh, Rahul Bothra, Brighten Godfrey.


• Constrained Creativity for SysOps Agents
Sayan Sinha, Vipul Harsh, Yajie Zhou, Marko Morrison, B. Aditya Prakash, Vyas Sekar, Hui Zhang


• LegoRCA: Effective Agentic Troubleshooting via Constrained Creativity
Sayan Sinha, Vipul Harsh, B. Aditya Prakash, Vyas Sekar, Hui Zhang

Talks

• Automatically Surfacing Opportunities for Improvements In Internet-Scale Applications, HotNets, UMD, USA, Nov 2025
• Abstractions for high-coverage, extensible and scalable root cause analysis, CMU, Pittsburgh, USA, Nov 2025
• Murphy: Performance Diagnosis of Distributed Cloud Applications, IISC-CNI Seminar, Bengaluru, India (virtual), May 2025
• Murphy: Performance Diagnosis of Distributed Cloud Applications, MIT, Boston, USA, July 2024
• Failure Diagnosis in Networked systems, Conviva, Foster city (Bay Area), USA, March 2023
• Flock: Accurate Network Fault Localization at Scale, CoNext, Paris, France, Dec 2023
• Murphy: Performance Diagnosis of Distributed Cloud Applications, SIGCOMM, New York, USA, Sept 2023
• Optimal Round and Sample-Size Complexity for Partitioning in Parallel Sorting, SPAA, Orlando, USA, June 2023
• Distributed Tracing without the pain, KubeCon, Detroit, USA, Oct 2022
• Murphy: Performance diagnosis of Distributed Cloud Applications, VMware Research, Palo Alto, USA, August 2022
• Murphy: Performance diagnosis of Distributed Cloud Applications, VMware RADIO, San Francisco, USA, May 2022
• Spineless Data Centers, HotNets, Chicago, USA (virtual), Nov 2020
• Fast and accurate datacenter fault localization, VMware, Palo Alto, USA, Feb 2020
• Fast and accurate datacenter fault localization, Google, Sunnyvale, USA, August 2019
• Histogram sort with sampling, SPAA, Phoenix, USA, June 2019
• Histogram sort with sampling, Charm++ Workshop, UIUC, USA, April 2017