The UTNS research group at the University of Texas at Austin works on foundational systems and networking problems that arise in supporting big data analytics, distributed machine learning, and large-scale distributed applications. Our work explores both theoretical underpinnings and system design/implementation, and builds on ideas from adjacent areas such as game theory, optimization, and formal methods.

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Yeonju Ro has been recognized as an MLCommons ML and Systems Rising Star!
PacketExpress was accepted at SIGCOMM 2026!
Mimesys was accepted at OSDI 2026!
SMEC, UNUM, Syntra, and Symphony were accepted at NSDI 2026!
Rohit Dwivedula, Haoyu Li, and Xiao Zhang won the Amazon AI PhD Fellowship!
PolicySmith was accepted at the HotNets 2025!
Canopy was accepted at EuroSys 2026!
TraceLLM was accepted at EMNLP 2025!
Daehyeok Kim received the NSF CAREER Award!
ConfigBot was accepted at IROS 2025!

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PolicySmith

LLM-Driven Search for Automated Heuristic Discovery in Systems

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Canopy

Property-Driven Learning for Congestion Control

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Copper Wire

Redesigning the Control and Data Plane for Service Meshes

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Darwin

Flexible Learning-based CDN Caching

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A Lightweight Distributed Pre-Training Toolkit

Lowering the Pre-training Tax for Gradient-based Subset Training

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PacketExpress: Fully Exploiting Large MTUs for Internet Traffic in Private Networks Junghan Yoon, Youngmin Choi, Juyoung Park, Daehyeok Kim, Changhoon Kim, KyoungSoo Park. SIGCOMM, 2026. Mimesys: Generating Realistic Executable Testing Environments from Resource Usage Traces Donghyun Kim, Zichao Hu, Joydeep Biswas, Aditya Akella, Daehyeok Kim. OSDI, 2026. UNUM: A New Framework for Network Control Jiayi Chen, Nihal Sharma, Debajit Chakraborty, Saurabh Agarwal, Jeffrey Zhou, Aditya Akella, Sanjay Shakkottai. NSDI, 2026. Synthesizing a Provably Performant Joint Controller for Low-Latency Video Streaming Tony Pan, Anup Agarwal, Isil Dillig, Venkat Arun. NSDI, 2026. SYMPHONY: Improving Memory Management for LLM Inference Workloads Saurabh Agarwal, Bodun Hu, Anyong Mao, Aditya Akella, Shivaram Venkataraman. NSDI, 2026. Enabling SLO-Aware 5G Multi-Access Edge Computing with SMEC Xiao Zhang, Daehyeok Kim. NSDI, 2026. Towards Performance Robustness for Microservices Divyanshu Saxena, Gaurav Vipat, Jiaxin Lin, Jingbo Wang, Isil Dillig, Sanjay Shakkottai, Aditya Akella. NSDI, 2026. Express Lane to Efficiency and Reliability: Multi-Dimensional Control in Meta’s Express Backbone Network Faisal Iqbal, Vitaly Neganov, Brian Chang, Rong Rong, Yuanjun Yao, Marek Denis, Qin Zhang, Alexandru Manea, Anton Marchenko, Ulas Kozat, Aditya Akella, Ying Zhang. NSDI, 2026. Canopy: Property-Driven Learning for Congestion Control Chenxi Yang, Divyanshu Saxena, Rohit Dwivedula, Kshiteej Mahajan, Swarat Chaudhuri, Aditya Akella. EuroSys, 2026.

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