Publications

2026

  1. How to Hardware Accelerate Your 5G CU
    Xin Zhe Khooi, Satis Kumar Permal, Cha Hwan Song, Nishant Budhdev, Raj Joshi, Mun Choon Chan
    ConferenceIEEE INFOCOM'26
  2. Handling Network Faults in Distributed AI Training: Failover is Now an Option
    Xin Zhe Khooi, Zhuo Jiang, Pan Xie, Zhigang Cui, Meng Wang, Yuze Jin, Pengfei Huo, Dongyang Wang, Lulu Chen, Lei Wang, Liaoyuan Feng, Xiaodong Liu, Peng Li, Qinlong Wang, Yang Bai, Yongcan Wang, Hao Jin, Jinshuai Sun, Shan Lu, Xiang Shi, Yingkai Zhao, Haiquan Chen, Yi Li, Jianxi Ye, Mun Choon Chan
    ConferenceEuroSys'26
  3. Symphony: Taming Step Misalignments in the Network for Ring-based Collective Operations
    Yuze Jin, Xin Zhe Khooi, Ruyi Yao, Mun Choon Chan
    PreprintarXiv:2604.16880
    arXiv

2025

  1. Demo: Towards Seamless 5G vRAN Software Updates
    Xin Zhe Khooi†, Anuj Kalia†, Mun Choon Chan
    DemoACM MobiCom'25 (Demo)
  2. How to Update Your 5G vRAN
    Xin Zhe Khooi†, Anuj Kalia†, Mun Choon Chan
    ConferenceACM MobiCom'25
  3. Revisiting CPU Performance Scaling for Energy-Efficient Packet Processing Applications
    Biqing Qiu, Yixi Chen, Xin Zhe Khooi, Cha Hwan Song, Mun Choon Chan
    ConferenceACM E-Energy'25
  4. ProtO-RU: An O-RAN Split-7.2 Radio Unit using SDRs
    Zhiyu Zhou, Xin Zhe Khooi, Satis Kumar Permal, Mun Choon Chan
    PreprintarXiv:2512.02398
    arXiv

2024

  1. JUNCTION: A Scalable Multi-access Solution using Programmable Switches
    Xin Zhe Khooi, Cha Hwan Song, Satis Kumar Permal, Nishant Budhdev, Levente Csikor, Raj Joshi, Mun Choon Chan
    ConferenceIEEE SECON'24
  2. Towards Continuous Latency Monitoring through Open RAN Interfaces
    Satis Kumar Permal, Yixi Chen, Xin Zhe Khooi, Biqing Qiu, Mun Choon Chan
    Workshop5G-MEMU Workshop @ ACM CoNEXT'24
  3. IoTell: A Privacy-Preserving Protocol for Large-scale Monitoring of IoT Security Status
    Yongwoo Oh, Michael Yiqing Hu, Xin Zhe Khooi, Jehyun Lee, Dinil Mon Divakaran, Min Suk Kang
    WorkshopIEEE CCGridW'24

2023

  1. P4EAD: Securing the In-band Control Channels on Commodity Programmable Switches
    Archit Bhatnagar†, Xin Zhe Khooi†, Cha Hwan Song, Mun Choon Chan
    WorkshopEuroP4 Workshop @ ACM CoNEXT'23
  2. Poster: Towards Accelerating the 5G Centralized Unit with Programmable Switches
    Xin Zhe Khooi, Archit Bhatnagar, Satis Kumar Permal, Nishant Budhdev, Cha Hwan Song, Mun Choon Chan
    PosterACM SIGCOMM'23 (Poster)
  3. Network Load Balancing with In-network Reordering Support for RDMA
    Cha Hwan Song, Xin Zhe Khooi, Raj Joshi, Inho Choi, Jialin Li, Mun Choon Chan
    ConferenceACM SIGCOMM'23
  4. NeoBFT: Accelerating Byzantine Fault Tolerance Using Authenticated In-Network Ordering
    Guangda Sun, Mingliang Jiang, Xin Zhe Khooi, Yunfan Li, Jialin Li
    ConferenceACM SIGCOMM'23
  5. Masking Corruption Packet Losses in Datacenter Networks with Link-local Retransmission
    Raj Joshi, Cha Hwan Song, Xin Zhe Khooi, Nishant Budhdev, Ayush Mishra, Mun Choon Chan, Ben Leong
    ConferenceACM SIGCOMM'23

2022

  1. DySO: Enhancing Application Offload Efficiency on Programmable Switches
    Cha Hwan Song, Xin Zhe Khooi, Dinil Mon Divakaran, Mun Choon Chan
    JournalElsevier Computer Networks
  2. Revisiting Application Offloads on Programmable Switches
    Cha Hwan Song, Xin Zhe Khooi, Dinil Mon Divakaran, Mun Choon Chan
    ConferenceIFIP Networking'22

2021

  1. Towards a Framework for One-sided RDMA Multicast
    Xin Zhe Khooi, Cha Hwan Song, Mun Choon Chan
    WorkshopEuroP4 Workshop @ ACM/IEEE ANCS'21
  2. Revisiting Heavy-Hitter Detection on Commodity Programmable Switches
    Xin Zhe Khooi, Levente Csikor, Jialin Li, Min Suk Kang, Dinil Mon Divakaran
    ConferenceIEEE NetSoft'21
  3. In-Network Applications: Beyond Single Switch Pipelines
    Xin Zhe Khooi, Levente Csikor, Jialin Li, Dinil Mon Divakaran
    WorkshopTaPoPF Workshop @ IEEE NetSoft'21

2020

  1. In-Network Defense Against AR-DDoS Attacks
    Xin Zhe Khooi, Levente Csikor, Min Suk Kang, Dinil Mon Divakaran
    DemoACM SIGCOMM'20 (Demo)
  2. Towards In-Network Time-Decaying Aggregates for Heavy-Hitter Detection
    Xin Zhe Khooi, Levente Csikor, Min Suk Kang, Dinil Mon Divakaran
    PosterACM SIGCOMM'20 (Poster)
  3. DIDA: Distributed In-Network Defense Architecture Against Amplified Reflection DDoS Attacks
    Xin Zhe Khooi, Levente Csikor, Dinil Mon Divakaran, Min Suk Kang
    ConferenceIEEE NetSoft'20

2018

  1. Multi-tenant Network Slicing Technique over OpenFlow-based MPLS Networks
    Aris Risdianto, Xin Zhe Khooi, Chun Yong Chong, Teck Chaw Ling
    WorkshopAPAN46 Research Workshop

2014

  1. Human Visualisation of Cryptographic Code Using Progressive Multi-Scale Resolution
    Alwyn Goh, Geong Sen Poh, Voon-Yee Vee, Kok Boon Chong, Xin Zhe Khooi, Chanan Zhuo Ern Loh, Zhi Yuan Eng
    ConferenceACM SIN'14
    DOI

† denotes equal contribution / joint first-authorship.