Serving on the PC of SOSP ’26.

NetArena wins 1st place in the Coding Agent track at the AgentX–AgentBeats Competition (hosted by UC Berkeley)!

MetaMuse and NetArena are accepted at ICLR ’26!

Serving on the PC of OSDI ’26.

Concluded CS 538 (Spring 2025) successfully: I was honored to be named to the List of Teachers Ranked as Excellent and my Ph.D. student (Seoyul Oh) received an Outstanding Teaching Assistant award!

“Concord: Learning Network Configuration Contracts” is accepted at EuroSys ’26!

Co-chairing SIGCOMM ’25 Artifact Evaluation.

Co-chairing the Workshop on Practical Adoption Challenges of ML for Systems (co-located with SOSP ’25).

“Decouple and Decompose: Scaling Resource Allocation with DeDe” is accepted at OSDI ’25!

“Mowgli: Passively Learned Rate Control for Real-Time Video” is accepted at NSDI ’25!

“Designing Network Algorithms via Large Language Models” is accepted at HotNets ’24!

Co-chairing SIGCOMM ’24 Artifact Evaluation.

Very proud and excited that Autothrottle received the NSDI ’24 Outstanding Paper Award (formerly the Best Paper Award)! Read my post for details.

“Diffy: Data-Driven Bug Finding for Configurations” is accepted at PLDI ’24!

Serving on the PC of NSDI ’25.

Serving on the PC of SIGCOMM ’24.

We are organizing the 2nd Bandwidth Estimation Challenge at ACM MMSys ’24! Submission deadline: Jan 5, 2024.

My former intern Zhiying Xu presented our work Teal at SIGCOMM ’23! Read my post for details.

Co-chaired the ACM/IRTF Applied Networking Research Workshop (ANRW) ’23. Find video recordings and links to papers in my post.

Autothrottle is accepted at NSDI ’24!

Teal and Slingshot are accepted at SIGCOMM ’23!

We welcome PhD students and postdocs working in the area of ML and systems to apply to the inaugural Machine Learning and Systems Rising Stars 2023. Applications are due on Apr 21, 2023.

Served as NSDI ’23 Poster Co-Chair.

Puffer assisted MIT researchers in receiving the NSDI ’23 Best Paper Award! Read my post.

Open-sourced Ringmaster, a videoconferencing research platform (for FEC and more) as part of our Tambur paper at NSDI ’23. Ringmaster aims to be a readable, extensible, and research-friendly replacement for WebRTC.

“Tambur: Efficient loss recovery for videoconferencing via streaming codes” is accepted at NSDI ’23! Read my post.

Serving on the award committee of the IRTF Applied Networking Research Prize ’22. Nominations are accepted until Nov 18, 2022. How to nominate?

Genet was presented at SIGCOMM ’22. Read my post for details.

Our paper OpenNetLab receives the Best Paper Award at APNet ’22!

“Genet: Automatic Curriculum Generation for Learning Adaptation in Networking” is accepted at SIGCOMM ’22!

Serving on the program committee of NSDI ’23.

Gave a guest lecture at CMU (Machine Learning Systems) on how to make RL practical for real-world networks.

Serving as the Networking Area Co-Chair of the Journal of Systems Research. Check out the Call for Papers and send us your best work!

Serving on the award committee of the IRTF Applied Networking Research Prize ’22. Nominations are accepted until Nov 19, 2021. How to nominate?

Enjoyed the panel discussion at the Microsoft Research Summit!

We are organizing the Grand Challenge on Bandwidth Estimation for Real-Time Communications at ACM MMSys ’21 with a prize pool of 7,500 USD! Submission deadline: Jun 25, 2021.

Honored to receive the 2021 Applied Networking Research Prize for Puffer! This is another recognition after the NSDI ’20 Community Award (the best paper with publicly available code and/or data).