Publications

Papers marked Operational are from operational systems tracks — describing real production systems, not necessarily novel ideas.

"*" marks co-primary authors.

Conference Papers

2025
[C32]
Unlocking Superior Performance in Reconfigurable Data Center Networks with Credit-Based Transport
Federico De Marchi, Jialong Li, Ying Zhang, Wei Bai, Yiting Xia
SIGCOMM ACM SIGCOMM 2025
2024
[C31]
Uniform-Cost Multi-Path Routing for Reconfigurable Data Center Networks
Jialong Li, Haotian Gong, Federico De Marchi, Aoyu Gong, Yiming Lei, Wei Bai, Yiting Xia
SIGCOMM ACM SIGCOMM 2024
[C30]
Hardware-assisted RDMA Performance Isolation for Public Clouds
Jiaqi Lou*, Xinhao Kong*, Jinghan Huang, Wei Bai, Nam Sung Kim, Danyang Zhuo
NSDI USENIX NSDI 2024
[C29]
Reverie: Low Pass Filter-Based Switch Buffer Sharing for Datacenters with RDMA and TCP Traffic
Vamsi Addanki, Wei Bai, Stefan Schmid, Maria Apostolaki
NSDI USENIX NSDI 2024
[C28]
Towards Domain-Specific Network Transport for Distributed DNN Training
Hao Wang, Han Tian, Jingrong Chen, Xinchen Wan, Jiacheng Xia, Gaoxiong Zeng, Wei Bai, Junchen Jiang, Yong Wang, Kai Chen
NSDI USENIX NSDI 2024
2023
[C27]
Understanding the Micro-Behaviors of Hardware Offloaded Network Stacks with Lumina
Zhuolong Yu, Bowen Su, Wei Bai, Shachar Raindel, Vladimir Braverman, Xin Jin
SIGCOMM ACM SIGCOMM 2023
[C26]
FlexPass: A Case for Flexible Credit-based Transport for Datacenter Networks
Hwijoon Lim, Jaehong Kim, Inho Cho, Keon Jang, Wei Bai, Dongsu Han
EuroSys ACM EuroSys 2023
[C25]
Empowering Azure Storage with RDMA Operational ⭐ Perfect Score
Wei Bai, Shanim Sainul Abdeen, Ankit Agrawal, Krishan Kumar Attre, Paramvir Bahl, Ameya Bhagat, Gowri Bhaskara, Tanya Brokhman, Lei Cao, Ahmad Cheema, Rebecca Chow, Jeff Cohen, Mahmoud Elhaddad, Vivek Ette, Igal Figlin, Daniel Firestone, Mathew George, Ilya German, Lakhmeet Ghai, Eric Green, Albert Greenberg, Manish Gupta, Randy Haagens, Matthew Hendel, Ridwan Howlader, Neetha John, Julia Johnstone, Tom Jolly, Greg Kramer, David Kruse, Ankit Kumar, Erica Lan, Ivan Lee, Avi Levy, Marina Lipshteyn, Xin Liu, Chen Liu, Guohan Lu, Yuemin Lu, Xiakun Lu, Vadim Makhervaks, Ulad Malashanka, David A. Maltz, Ilias Marinos, Rohan Mehta, Sharda Murthi, Anup Namdhari, Aaron Ogus, Jitendra Padhye, Madhav Pandya, Douglas Phillips, Adrian Power, Suraj Puri, Shachar Raindel, Jordan Rhee, Anthony Russo, Maneesh Sah, Ali Sheriff, Chris Sparacino, Ashutosh Srivastava, Weixiang Sun, Nick Swanson, Fuhou Tian, Lukasz Tomczyk, Vamsi Vadlamuri, Alec Wolman, Ying Xie, Joyce Yom, Lihua Yuan, Yanzhao Zhang, Brian Zill
NSDI USENIX NSDI 2023
[C24]
Understanding RDMA Microarchitecture Resources for Performance Isolation
Xinhao Kong, Jingrong Chen, Wei Bai, Yechen Xu, Mahmoud Elhaddad, Shachar Raindel, Jitendra Padhye, Alvin R. Lebeck, Danyang Zhuo
NSDI USENIX NSDI 2023
2021
[C23]
1Pipe: Scalable Total Order Communication in Data Center Networks
Bojie Li, Gefei Zuo, Wei Bai, Lintao Zhang
SIGCOMM ACM SIGCOMM 2021
[C22]
Towards Timeout-less Transport in Commodity Datacenter Networks
Hwijoon Lim, Wei Bai, Yibo Zhu, Youngmok Jung, Dongsu Han
EuroSys ACM EuroSys 2021
2020
[C21]
Aeolus: A Building Block for Proactive Transport in Datacenters
Shuihai Hu, Wei Bai, Gaoxiong Zeng, Zilong Wang, Baochen Qiao, Kai Chen, Kun Tan, Yi Wang
SIGCOMM ACM SIGCOMM 2020
[C20]
OmniMon: Re-architecting Network Telemetry with Resource Efficiency and Full Accuracy
Qun Huang, Haifeng Sun, Patrick P. C. Lee, Wei Bai, Feng Zhu, Yungang Bao
SIGCOMM ACM SIGCOMM 2020
[C19]
One More Config is Enough: Saving (DC)TCP for High-speed Extremely Shallow-buffered Datacenters
Wei Bai, Shuihai Hu, Kai Chen, Kun Tan, Yongqiang Xiong
INFOCOM IEEE INFOCOM 2020
2019
[C18]
Enabling ECN for Datacenter Networks with RTT Variations
Junxue Zhang, Wei Bai, Kai Chen
CoNEXT ACM CoNEXT 2019
[C17]
SocksDirect: Datacenter Sockets can be Fast and Compatible
Bojie Li, Tianyi Cui, Zibo Wang, Wei Bai, Lintao Zhang
SIGCOMM ACM SIGCOMM 2019
[C16]
Congestion Control for Cross-Datacenter Networks
Gaoxiong Zeng, Wei Bai, Ge Chen, Kai Chen, Dongsu Han, Yibo Zhu, Lei Cui
ICNP IEEE ICNP 2019
[C15]
FlowShader: a Generalized Framework for GPU-accelerated VNF Flow Processing
Xiaodong Yi, Junjie Wang, Jingpu Duan, Wei Bai, Chuan Wu, Yongqiang Xiong, Dongsu Han
ICNP IEEE ICNP 2019
[C14]
DLBooster: Boosting End-to-End Deep Learning Workflows with Offloading Data Preprocessing Pipelines
Yang Cheng, Dan Li, Zhiyuan Guo, Binyao Jiang, Jiaxin Lin, Xi Fan, Jinkun Geng, Xinyi Yu, Wei Bai, Lei Qu, Ran Shu, Peng Cheng, Yongqiang Xiong, Jianping Wu
ICPP ICPP 2019
[C13]
Accelerating Rule-matching Systems with Learned Rankers
Zhao Lucis Li, Mike Chieh-Jan Liang, Wei Bai, Qiming Zheng, Yongqiang Xiong, Guangzhong Sun
ATC USENIX ATC 2019
2017
[C12]
Resilient Datacenter Load Balancing in the Wild
Hong Zhang, Junxue Zhang, Wei Bai, Kai Chen, Mosharaf Chowdhury
SIGCOMM ACM SIGCOMM 2017
[C11]
Rate-Aware Flow Scheduling for Commodity Data Center Networks
Ziyang Li, Wei Bai, Kai Chen, Dongsu Han, Yiming Zhang, Dongsheng Li, Hongfang Yu
INFOCOM IEEE INFOCOM 2017
2016
[C10]
Scheduling Mix-flows in Commodity Datacenters with Karuna
Li Chen, Kai Chen, Wei Bai, Mohammad Alizadeh
SIGCOMM ACM SIGCOMM 2016
[C9]
Enabling ECN in Multi-Service Multi-Queue Data Centers
Wei Bai, Li Chen, Kai Chen, Dongsu Han, Chen Tian, Wei Wang
NSDI USENIX NSDI 2016
[C8]
Providing Bandwidth Guarantees, Work Conservation and Low Latency Simultaneously in the Cloud
Shuihai Hu, Wei Bai, Kai Chen, Chen Tian, Ying Zhang, Haitao Wu
INFOCOM IEEE INFOCOM 2016
[C7]
Enabling ECN over Generic Packet Scheduling
Wei Bai, Kai Chen, Li Chen, Changhoon Kim, Haitao Wu
CoNEXT ACM CoNEXT 2016
2015
[C6]
Information-Agnostic Flow Scheduling for Commodity Data Centers
Wei Bai, Li Chen, Kai Chen, Dongsu Han, Chen Tian, Hao Wang
NSDI USENIX NSDI 2015
[C5]
Explicit Path Control in Commodity Data Centers: Design and Applications
Shuihai Hu, Kai Chen, Haitao Wu, Wei Bai, Chang Lan, Hao Wang, Hongze Zhao, Chuanxiong Guo
NSDI USENIX NSDI 2015
[C4]
RAPIER: Integrating Routing and Scheduling for Coflow-aware Data Center Networks
Yangming Zhao, Kai Chen, Wei Bai, Minlan Yu, Chen Tian, Yanhui Geng, Yiming Zhang, Dan Li, Sheng Wang
INFOCOM IEEE INFOCOM 2015
[C3]
Guaranteeing Deadlines for Inter-Datacenter Transfers
Hong Zhang, Kai Chen, Wei Bai, Dongsu Han, Chen Tian, Hao Wang, Haibing Guan, Ming Zhang
EuroSys ACM EuroSys 2015
2014
[C2]
PAC: Taming TCP Incast Congestion Using Proactive ACK Control
Wei Bai, Kai Chen, Haitao Wu, Wuwei Lan, Yangming Zhao
ICNP IEEE ICNP 2014
[C1]
HadoopWatch: A First Step Towards Comprehensive Traffic Forecasting in Cloud Computing
Yang Peng, Kai Chen, Guohui Wang, Wei Bai, Zhiqiang Ma, Lin Gu
INFOCOM IEEE INFOCOM 2014

Workshop Papers

2023
[W6]
Towards a Manageable Intra-Host Network
Xinhao Kong, Jiaqi Lou, Wei Bai, Nam Sung Kim, Danyang Zhuo
HotOS HotOS 2023
2019
[W5]
Rethinking Transport Layer Design for Distributed Machine Learning
Jiacheng Xia, Gaoxiong Zeng, Junxue Zhang, Weiyan Wang, Wei Bai, Junchen Jiang, Kai Chen
APNet APNet 2019
2018
[W4]
Augmenting Proactive Congestion Control with Aeolus
Shuihai Hu, Wei Bai, Baochen Qiao, Kai Chen, Kun Tan
APNet APNet 2018
2017
[W3]
Combining ECN and RTT for Datacenter Transport
Gaoxiong Zeng, Wei Bai, Ge Chen, Kai Chen, Dongsu Han, Yibo Zhu
APNet APNet 2017
[W2]
Congestion Control for High-speed Extremely Shallow-buffered Datacenter Networks
Wei Bai, Kai Chen, Shuihai Hu, Kun Tan, Yongqiang Xiong
APNet APNet 2017
2014
[W1]
PIAS: Practical Information-Agnostic Flow Scheduling for Data Center Networks
Wei Bai, Li Chen, Kai Chen, Dongsu Han, Chen Tian, Weicheng Sun
HotNets HotNets 2014

Journal Papers

2022
[J10]
Congestion Control for Cross-Datacenter Networks
Gaoxiong Zeng, Wei Bai, Ge Chen, Kai Chen, Dongsu Han, Yibo Zhu, Lei Cui
ToN IEEE/ACM Transactions on Networking, 2022
2021
[J9]
Aeolus: A Building Block for Proactive Transport in Datacenter Networks
Shuihai Hu, Gaoxiong Zeng, Wei Bai, Zilong Wang, Baochen Qiao, Kai Chen, Kun Tan, Yi Wang
ToN IEEE/ACM Transactions on Networking, 2021
2020
[J8]
Accelerating End-to-End Deep Learning Workflow With Codesign of Data Preprocessing and Scheduling
Yang Cheng, Dan Li, Zhiyuan Guo, Binyao Jiang, Jinkun Geng, Wei Bai, Jianping Wu, Yongqiang Xiong
TPDS IEEE Transactions on Parallel and Distributed Systems, 2020
[J7]
One More Config is Enough: Saving (DC)TCP for High-speed Extremely Shallow-buffered Datacenters
Wei Bai, Shuihai Hu, Kai Chen, Kun Tan, Yongqiang Xiong
ToN IEEE/ACM Transactions on Networking, 2020
2018
[J6]
Providing Bandwidth Guarantees, Work Conservation and Low Latency Simultaneously in the Cloud
Shuihai Hu, Wei Bai, Kai Chen, Chen Tian, Ying Zhang, Haitao Wu
TCC IEEE Transactions on Cloud Computing, 2018
[J5]
RepNet: Cutting Latency with Flow Replication in Data Center Networks
Shuhao Liu, Hong Xu, Libin Liu, Wei Bai, Kai Chen, Zhiping Cai
TSC IEEE Transactions on Services Computing, 2018
2017
[J4]
PIAS: Practical Information-Agnostic Flow Scheduling for Commodity Data Centers
Wei Bai, Li Chen, Kai Chen, Dongsu Han, Chen Tian, Hao Wang
ToN IEEE/ACM Transactions on Networking, 2017
[J3]
Guaranteeing Deadlines for Inter-Datacenter Transfers
Hong Zhang, Kai Chen, Wei Bai, Dongsu Han, Chen Tian, Hao Wang, Haibing Guan, Ming Zhang
ToN IEEE/ACM Transactions on Networking, 2017
2016
[J2]
Explicit Path Control in Commodity Data Centers: Design and Applications
Shuihai Hu, Kai Chen, Haitao Wu, Wei Bai, Chang Lan, Hao Wang, Hongze Zhao, Chuanxiong Guo
ToN IEEE/ACM Transactions on Networking, 2016
[J1]
Towards Comprehensive Traffic Forecasting in Cloud Computing: Design and Application
Yang Peng, Kai Chen, Guohui Wang, Wei Bai, Yangming Zhao, Hao Wang, Yanhui Geng, Zhiqiang Ma, Lin Gu
ToN IEEE/ACM Transactions on Networking, 2016