๐Ÿ‘‹ About me

I am Zhaochen Zhang(ๅผ ๅ…†็›), a fifth-year Ph.D. candidate at NASA Group, State Key Laboratory for Novel Software Technology, Nanjing University, under the supervision of Prof. Chen Tian.
I will be graduating soon and joining Alibaba to work on AI infrastructure. My prior research has delved deeply into congestion management and reliable transmission, and I am excited to translate these insights into real-world system performance gains.

๐Ÿ“ Selected Publications

Only papers where I served as a lead author are listed here. See the full publication list for all papers.

2026

  SIGCOMM   Anytest: Localizing the Root Cause of Hardware Transport Performance Anomalies..

๐Ÿ‘ค Zhaochen Zhang, Jiaqi Gao, Sheng Cheng, Peiwen Yu, Feiyang Xue, Chang Liu, Boliang Liu, Kun Liu, Yubin Li, Rui Li, Li Wang, Peirui Cao, Qingkai Meng, Guihai Chen, Gang Lu, Binzhang Fu, Chen Tian

  NSDI     Outstanding Paper!   OSCAR: O(1)-Step Convergence And Readily-deployable Congestion Control. ๐Ÿ“„ Paper ๐ŸŒ Code ๐Ÿ“Š Slides

๐Ÿ‘ค Zhaochen Zhang, Feiyang Xue, Rui Ning, Keqiang He, Gianni Antichi, Jiaqi Gao, Zhimeng Yin, Kexin Liu, Rui Li, Zhengqi Cui, Zhehao Lin, Peirui Cao, Guihai Chen, Chen Tian

  ToN   Revisiting Flow Control in Node-Centric Datacenter Networks. ๐Ÿ“„ Paper

๐Ÿ‘ค Peirui Cao, Rui Ning, Guangyu Zhao, Zhaochen Zhang (corresponding author), Chang Liu, Yunzhuo Liu, Rui Li, Chengyuan Huang, Tao Sun, Zhiqiang Li, Guihai Chen, Baochun Li, Chen Tian

  ToN   Analysis of Pyrrha: Congestion-Root-Based Flow Control Is Most Cost-Effective to Eliminate Head-of-Line Blocking. ๐Ÿ“„ Paper

๐Ÿ‘ค Zhaochen Zhang, Kexin Liu, Peirui Cao, Chang Liu, Yizhi Wang, Vamsi Addanki, Stefan Schmid, Qingyue Wang, Wei Chen, Xiaoliang Wang, Jiaqi Zheng, Wenhao Sun, Tao Wu, Ke Meng, Fei Chen, Weiguang Wang, Bingyang Liu, Wanchun Dou, Guihai Chen, Chen Tian, Hao Yin, Fu Xiao

2025

  NSDI   Pyrrha: Congestion-Root-Based Flow Control to Eliminate Head-of-Line Blocking in Datacenter. ๐Ÿ“„ Paper ๐ŸŒ Code ๐Ÿ“Š Slides

๐Ÿ‘ค Kexin Liu*, Zhaochen Zhang* (co-first author), Chang Liu, Yizhi Wang, Vamsi Addanki, Stefan Schmid, Qingyue Wang, Wei Chen, Xiaoliang Wang, Jiaqi Zheng, Wenhao Sun, Tao Wu, Ke Meng, Fei Chen, Weiguang Wang, Bingyang Liu, Wanchun Dou, Guihai Chen, Chen Tian

  EuroSys     Best Student Paper!   Enabling Virtual Priority in Data Center Congestion Control. ๐Ÿ“„ Paper ๐ŸŒ Code ๐Ÿ“Š Slides

๐Ÿ‘ค Zhaochen Zhang, Feiyang Xue, Keqiang He, Zhimeng Yin, Gianni Antichi, Jiaqi Gao, Yizhi Wang, Rui Ning, Haixin Nan, Xu Zhang, Peirui Cao, Xiaoliang Wang, Wanchun Dou, Guihai Chen, Chen Tian

  ICS   PortFC: Designing High-performance Deadlock-free BCube Networks. ๐Ÿ“„ Paper

๐Ÿ‘ค Peirui Cao, Rui Ning, Hongwei Yang, Zhaochen Zhang (corresponding author), Chang Liu, Rui Li, Yongqi Yang, Yunzhuo Liu, Chengyuan Huang, Tao Sun, Xiaodong Duan, Guihai Chen, Chen Tian

  TPDS   Courier: A Unified Communication Agent to Support Concurrent Flow Scheduling in Cluster Computing. ๐Ÿ“„ Paper

๐Ÿ‘ค Zhaochen Zhang, Xu Zhang, Zhaoxiang Bao, Liang Wei, Chaohong Tan, Wanchun Dou, Guihai Chen, Chen Tian

๐ŸŽ– Honors and Awards

  • 2025.10: Outstanding Paper Award of NSDIโ€™26! (NSDIโ€™26 ๆฐๅ‡บ่ฎบๆ–‡)
  • 2025.10: Awarded National Scholarship for Ph.D. students (ๅšๅฃซ็”Ÿๅ›ฝๅฎถๅฅ–ๅญฆ้‡‘)
  • 2025.4: Postgraduate Research & Practice Innovation Program of Jiangsu Province (ๆฑŸ่‹็œ็ ”็ฉถ็”Ÿ็ง‘็ ”ไธŽๅฎž่ทตๅˆ›ๆ–ฐ้กน็›ฎ)
  • 2025.4: Best Student Paper Award of EuroSysโ€™25 (EuroSysโ€™25 ๆœ€ไฝณๅญฆ็”Ÿ่ฎบๆ–‡)
  • 2020.12: Awarded National Scholarship for Undergraduate students (ๆœฌ็ง‘็”Ÿๅ›ฝๅฎถๅฅ–ๅญฆ้‡‘)