2024

• NetShuffle: Circumventing Censorship with Shuffle Proxies at the Edge
  Patrick Tser Jern Kon, Aniket Gattani, Dhiraj Saharia, Tianyu Cao, Diogo Barradas, Ang Chen, Micah Sherr, and Benjamin E. Ujcich
  IEEE SP 2024 [PDF]
  
  

2023

• Remote Direct Memory Introspection
  Hongyi Liu, Jiarong Xing, Yibo Huang, Danyang Zhuo, Srini Devadas, and Ang Chen
  USENIX Security 2023 [PDF]
  Distinguished Paper Award!
  
  
• Unleashing SmartNIC Packet Processing Performance in P4
  Jiarong Xing, Yiming Qiu, Kuo-Feng Hsu, Songyuan Sui, Khalid Manaa, Omer Shabtai, Yonatan Piasetzky, Matty Kadosh, Arvind Krishnamurthy, T. S. Eugene Ng, and Ang Chen
  SIGCOMM 2023 [PDF]
  
  
• Simplifying Cloud Management with Cloudless Computing
  Yiming Qiu, Patrick Tser Jern Kon, Jiarong Xing, Yibo Huang, Hongyi Liu, Xinyu Wang, Peng Huang, Mosharaf Chowdhury, and Ang Chen
  HotNets 2023 [PDF]
  
  
• Synthesizing Runtime Programmable Switch Updates
  Yiming Qiu, Ryan Beckett, and Ang Chen
  NSDI 2023 [PDF]
  
  
• Templating Shuffles
  Qizhen Zhang, Jiacheng Wu, Ang Chen, Vincent Liu, and Boon Thau Loo
  CIDR 2023 [PDF]
  
  

2022

• Bedrock: Programmable Network Support for Secure RDMA Systems
  Jiarong Xing, Kuo-Feng Hsu, Yiming Qiu, Ziyang Yang, Hongyi Liu, and Ang Chen
  USENIX Security 2022 [PDF]
  
  
• Rearchitecting In-Memory Object Stores for Low Latency
  Danyang Zhuo, Kaiyuan Zhang, Zhuohan Li, Siyuan Zhuang, Stephanie Wang, Ang Chen, and Ion Stoica
  VLDB 2022 [PDF]
  
  
• Bolt: Bridging the Gap between Auto-tuners and Hardware-native Performance
  Jiarong Xing, Leyuan Wang, Shang Zhang, Jack Chen, Ang Chen, and Yibo Zhu
  MLSys 2022 [PDF]
  
  
• Optimizing Data-intensive Systems in Disaggregated Data Centers with TELEPORT
  Qizhen Zhang, Xinyi Chen, Sidharth Sankhe, Zhilei Zheng, Ke Zhong, Sebastian Angel, Ang Chen, Vincent Liu, and Boon Thau Loo
  SIGMOD 2022 [PDF]
  
  
• Runtime Programmable Switches
  Jiarong Xing, Kuo-Feng Hsu, Matty Kadosh, Alan Lo, Yonatan Piasetzky, Arvind Krishnamurthy, and Ang Chen
  NSDI 2022 [PDF]
  
  
• RDC: Energy-Efficient Data Center Network Congestion Relief with Topological Reconfigurability at the Edge
  Weitao Wang, Dingming Wu, Sushovan Das, Afsaneh Rahbar, Ang Chen, and T. S. Eugene Ng
  NSDI 2022 [PDF]
  
  
• Closed-loop Network Performance Monitoring and Diagnosis with Spidermon
  Weitao Wang, Xinyu Crystal Wu, Praveen Tammana, Ang Chen, and T. S. Eugene Ng
  NSDI 2022 [PDF]
  
  
• Stargaze: A LEO Constellation Emulator for Security Experimentation
  Patrick Tser Jern Kon, Diogo Barradas, and Ang Chen
  CPSIoTSec 2022 [PDF]
  
  
• Symbolic Distillation for Learned TCP Congestion Control
  S.P. Sharan, Wenqing Zheng, Kuo-Feng Hsu, Jiarong Xing, Ang Chen, and Zhangyang Wang
  NeurIPS 2022 [PDF]
  
  

2021

• A Vision for Runtime Programmable Networks
  Jiarong Xing, Yiming Qiu, Kuo-Feng Hsu, Hongyi Liu, Matty Kadosh, Alan Lo, Aditya Akella, Thomas Anderson, Arvind Krishnamurthy, T. S. Eugene Ng, and Ang Chen
  HotNets 2021 [PDF]
  
  
• MXDAG: A Hybrid Abstraction for Cluster Applications
  Weitao Wang, Sushovan Das, Xinyu Crystal Wu, Zhuang Wang, Ang Chen, and T. S. Eugene Ng
  HotNets 2021 [PDF]
  
  
• Automating SmartNIC Offloading Insights for Network Functions
  Yiming Qiu, Jiarong Xing, Kuo-Feng Hsu, Qiao Kang, Ming Liu, Srinivas Narayana, and Ang Chen
  SOSP 2021 [PDF]
  
  
• Toward Reconfigurable Kernel Datapaths with Learned Optimizations
  Yiming Qiu, Hongyi Liu, Thomas Anderson, Yingyan Lin, and Ang Chen
  HotOS 2021 [PDF]
  
  
• An Incremental Path Towards a Safe OS Kernel
  Jialin Li, Samantha Miller, Danyang Zhuo, Ang Chen, Jon Howell and Thomas Anderson
  HotOS 2021 [PDF]
  
  
• Ripple: A Programmable, Decentralized Link-Flooding Defense Against Adaptive Adversaries
  Jiarong Xing, Wenqing Wu, and Ang Chen
  USENIX Security 2021 [PDF]
  
  
• Probabilistic Profiling of Stateful Data Planes for Adversarial Testing
  Qiao Kang, Jiarong Xing, Yiming Qiu, and Ang Chen
  ASPLOS 2021 [PDF]
  
  
• High Velocity Kernel File Systems with Bento
  Samantha Miller, Kaiyuan Zhang, Mengqi Chen, Ryan Jennings, Ang Chen, Danyang Zhuo, and Thomas Anderson
  FAST 2021 [PDF]
  Best Paper Award!
  

2020

• Clara: Performance Clarity for SmartNIC Offloading
  Yiming Qiu, Qiao Kang, Ming Liu, and Ang Chen
  HotNets 2020 [PDF]
  
  
• Understanding the Effect of Data Center Resource Disaggregation on Production DBMSs
  Qizhen Zhang, Yifan Cai, Xinyi Chen, Sebastian Angel, Ang Chen, Vincent Liu, and Boon Thau Loo
  VLDB 2020 [PDF]
  
  
• NetWarden: Mitigating Network Covert Channels while Preserving Performance
  Jiarong Xing, Qiao Kang, and Ang Chen
  USENIX Security 2020 [PDF]
  
  
• Programmable In-Network Security for Context-aware BYOD Policies
  Qiao Kang, Lei Xue, Adam Morrison, Yuxin Tang, Ang Chen, and Xiapu Luo
  USENIX Security 2020 [PDF]
  
  
• Adaptive Weighted Traffic Splitting in Programmable Data Planes
  Kuo-Feng Hsu, Praveen Tammana, Ryan Beckett, Ang Chen, Jennifer Rexford, and David Walker
  SOSR 2020 [PDF]
  
  
• Grasp the Root Causes in the Data Plane: Diagnosing Latency Problems with SpiderMon
  Weitao Wang, Praveen Tammana, Ang Chen, and T. S. Eugene Ng
  SOSR 2020 [PDF]
  
  
• Contra: A Programmable System for Performance-aware Routing
  Kuo-Feng Hsu, Ryan Beckett, Ang Chen, Jennifer Rexford, Praveen Tammana, and David Walker
  NSDI 2020 [PDF]
  
  
• Check Before You Change: Preventing Correlated Failures in Service Updates
  Ennan Zhai, Ang Chen, Ruzica Piskac, Mahesh Balakrishnan, Bingchuan Tian, Bo Song, and Haoliang Zhang
  NSDI 2020 [PDF]
  
  
• Poseidon: Mitigating Volumetric DDoS Attacks with Programmable Switches
  Menghao Zhang, Guanyu Li, Shicheng Wang, Chang Liu, Ang Chen, Hongxin Hu, Guofei Gu, Qi Li, Mingwei Xu, and Jianping Wu
  NDSS 2020 [PDF]
  
  
• Rethinking Data Management Systems for Disaggregated Data Centers
  Qizhen Zhang, Yifan Cai, Sebastian Angel, Ang Chen, Vincent Liu, and Boon Thau Loo
  CIDR 2020 [PDF]
  

2019

• Architecting Programmable Data Plane Defenses into the Network with FastFlex
  Jiarong Xing, Wenqing Wu, and Ang Chen
  HotNets 2019 [PDF]
  
  
• Accelerated Service Chaining on a Single Switch ASIC
  Dingming Wu, Ang Chen, T. S. Eugene Ng, Guohui Wang, and Haiyong Wang
  HotNets 2019 [PDF]
  
  
• NetHCF: Enabling Line-rate and Adaptive Spoofed IP Traffic Filtering
  Guanyu Li, Menghao Zhang, Chang Liu, Xiao Kong, Ang Chen, Guofei Gu, and Haixin Duan
  ICNP 2019 [PDF]
  
  
• Automated Attack Discovery in Data Plane Systems
  Qiao Kang, Jiarong Xing, and Ang Chen
  CSET 2019 [PDF]
  
  
• NetWarden: Mitigating Network Covert Channels without Performance Loss
  Jiarong Xing, Adam Morrison, and Ang Chen
  HotCloud 2019 [PDF]
  
  
• DataEther: Data Exploration Framework for Ethereum
  Ting Chen, Zihao Li, Yufei Zhang, Xiapu Luo, Ang Chen, Kun Yang, Bin Hu, Tong Zhu, Shifang Deng, Teng Hu, Jiachi Chen, and Xiaosong Zhang
  ICDCS 2019 [PDF]
  
  
• Optimizing Declarative Graph Queries at Large Scale
  Qizhen Zhang, Akash Acharya, Hongzhi Chen, Simran Arora, Ang Chen, Vincent Liu, and Boon Thau Loo
  SIGMOD 2019 [PDF]
  
  
• Green, Yellow, Yield: End-Host Traffic Scheduling for Distributed Deep Learning with TensorLights
  Xin Sunny Huang, Ang Chen, and T. S. Eugene Ng
  HPBDC 2019 [PDF]
  
  
• Say No to Rack Boundaries: Towards a Reconfigurable Pod-Centric DCN Architecture
  Dingming Wu, Weitao Wang, Ang Chen, and T. S. Eugene Ng
  SOSR 2019 [PDF]
  
  
• Total Recall: Persistence of Passwords in Android
  Jaeho Lee, Ang Chen, and Dan S. Wallach
  NDSS 2019 [PDF]
  
  
• Zeno: Diagnosing Performance Problems with Temporal Provenance
  Yang Wu, Ang Chen, and Linh Thi Xuan Phan
  NSDI 2019 [PDF]
  

2018

• An Historical Analysis of the SEAndroid Policy Evolution
  Bumjin Im, Ang Chen, and Dan S. Wallach
  ACSAC 2018 [PDF]
  
  
• DeDoS: Defusing DoS with Dispersion Oriented Software
  Henri Maxime Demoulin, Tavish Vaidya, Isaac Pedisich, Robert DiMaiolo, Jingyu Qian, Chirag Shah, Yuankai Zhang, Ang Chen, Andreas Haeberlen, Boon Thau Loo, Linh Thi Xuan Phan, Micah Sherr, Clay Shields, and Wenchao Zhou
  ACSAC 2018 [PDF]
  
  
• Enforcing Context-Aware BYOD Policies with In-Network Security
  Adam Morrison, Lei Xue, Ang Chen, and Xiapu Luo
  HotCloud 2018 [PDF]
  
  
• Data Center Diagnostics with Network Provenance
  Ang Chen, Chen Chen, Lay Kuan Loh, Yang Wu, Andreas Haeberlen, Limin Jia, Boon Thau Loo, and Wenchao Zhou
  IEEE Data Eng. Bull. 41(1): 74-85 [PDF]
  

Older papers (2017 and earlier)

• One Primitive to Diagnose Them All: Architectural Support for Internet Diagnostics
  Ang Chen, Andreas Haeberlen, Wenchao Zhou, and Boon Thau Loo
  The European Conference on Computer Systems (EuroSys '17), Belgrade, Serbia, April 2017
  [PDF]
  
  
• Automated Bug Removal for Software-Defined Networks
  Yang Wu, Ang Chen, Andreas Haeberlen, Boon Thau Loo, and Wenchao Zhou
  The 14th USENIX Symposium on Networked Systems Design and Implementation (NSDI '17), Boston, MA, USA, March 2017
  [PDF]
  
  
• Data Provenance at Internet Scale: Architecture, Experiences, and the Road Ahead
  Ang Chen, Yang Wu, Andreas Haeberlen, Boon Thau Loo, and Wenchao Zhou
  The Biennial Conference on Innovative Data Systems Research (CIDR '17), Chaminade, CA, USA, January 2017
  [PDF]
  
  
• Dispersing Asymmetric DDoS Attacks with SplitStack
  Ang Chen, Akshay Sriraman, Tavish Vaidya, Yuankai Zhang, Andreas Haeberlen, Boon Thau Loo, Linh Thi Xuan Phan, Micah Sherr, Clay Shields, and Wenchao Zhou
  The 15th Workshop on Hot Topics in Networks (HotNets'16), Atlanta, Georgia, USA, November 2016
  [PDF] [Slides]
  
  
• The Good, the Bad, and the Differences: Better Network Diagnostics with Differential Provenance
  Ang Chen, Yang Wu, Andreas Haeberlen, Wenchao Zhou, and Boon Thau Loo
  ACM SIGCOMM 2016, Florianópolis, Brazil, August 2016
  [PDF] [Slides]
  
  
• Differential Provenance: Better Network Diagnostics with Reference Events
  Ang Chen, Yang Wu, Andreas Haeberlen, Wenchao Zhou, and Boon Thau Loo
  The 14th ACM Workshop on Hot Topics in Networks (HotNets '15), Philadelphia, PA, USA, November 2015
  [PDF]
  
  
• Automated Network Repair with Meta Provenance
  Yang Wu, Ang Chen, Andreas Haeberlen, Wenchao Zhou, and Boon Thau Loo
  The 14th ACM Workshop on Hot Topics in Networks (HotNets '15), Philadelphia, PA, USA, November 2015
  [PDF]
  
  
• PRISM: Private Retrieval of the Internet's Sensitive Metadata
  Ang Chen and Andreas Haeberlen
  The 8th Workshop on Cyber Security Experimentation and Test (CSET '15), Washington, D.C., USA, August 2015
  [PDF] [Slides]
  
  
• Fault Tolerance and the Five-Second Rule
  Ang Chen, Hanjun Xiao, Andreas Haeberlen, and Linh Thi Xuan Phan
  The 15th Workshop on Hot Topics in Operating Systems (HotOS XV), Kartause Ittingen, Switzerland, May 2015
  [PDF]
  
  
• Detecting Covert Timing Channels with Time-Deterministic Replay
  Ang Chen, W. Brad Moore, Hanjun Xiao, Andreas Haeberlen, Linh Thi Xuan Phan, Micah Sherr, and Wenchao Zhou
  The 11th USENIX Symposium on Operating Systems Design and Implementation (OSDI '14), Broomfield, CO, USA, October 2014
  [PDF] [Slides]
  
  
• Peer-Assisted Content Distribution in Akamai NetSession
  Mingchen Zhao, Paarijaat Aditya, Ang Chen, Yin Lin, Andreas Haeberlen, Peter Druschel, Bruce Maggs, Bill Wishon, and Miroslav Ponec
  The 13th ACM SIGCOMM Conference on Internet Measurement (IMC '13), Barcelona, Spain, October 2013
  [PDF]
  
  
• SGor: Trust Graph Based Onion Routing
  Peng Zhou, Xiapu Luo, Ang Chen, and Rocky K.C. Chang
  The International Journal of Computer and Telecommunications Networking (Computer Networks), August 2013
  [PDF]
  
  
• An Efficient Approach to Multi-level Route Analytics
  Ang Chen, Edmond W.W. Chan, Xiapu Luo, Waiting W.T. Fok, and Rocky K.C. Chang
  The IFIP/IEEE International Symposium on Integrated Network Management (IM'13), Ghent, Belgium, May 2013
  [PDF]
  
  
• TRIO: Measuring Asymmetric Capacity with Three Minimum Round-Trip Times
  Edmond W.W. Chan, Ang Chen, Xiapu Luo, Ricky K.P. Mok, Weichao Li, and Rocky K.C. Chang
  The 7th International Conference on emerging Networking EXperiments and Technologies (CoNEXT'11), Tokyo, Japan, December 2011
  [PDF]