๐ 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.
๐ 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..
๐ค 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. ๐ Paper ๐ Code ๐ Slides
๐ค 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. ๐ Paper
๐ค 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. ๐ Paper
๐ค 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. ๐ Paper ๐ Code ๐ Slides
๐ค 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. ๐ Paper ๐ Code ๐ Slides
๐ค 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. ๐ Paper
๐ค 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. ๐ Paper
๐ค Zhaochen Zhang, Xu Zhang, Zhaoxiang Bao, Liang Wei, Chaohong Tan, Wanchun Dou, Guihai Chen, Chen Tian
๐ Honors and Awards
- 2025.10: Outstanding Paper Award of NSDIโ26! (NSDIโ26 ๆฐๅบ่ฎบๆ)
- 2025.10: Awarded National Scholarship for Ph.D. students (ๅๅฃซ็ๅฝๅฎถๅฅๅญฆ้)
- 2025.4: Postgraduate Research & Practice Innovation Program of Jiangsu Province (ๆฑ่็็ ็ฉถ็็ง็ ไธๅฎ่ทตๅๆฐ้กน็ฎ)
- 2025.4: Best Student Paper Award of EuroSysโ25 (EuroSysโ25 ๆไฝณๅญฆ็่ฎบๆ)
- 2020.12: Awarded National Scholarship for Undergraduate students (ๆฌ็ง็ๅฝๅฎถๅฅๅญฆ้)