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Offloading Cloud Network Services at Production Scale

on YouTube 15m
Talkat NSDI '26 · 2026-05-04..05-06· [networking]

speakers

name:Shaofeng Wu
links:none on file
name:Zhixiong Niu
links:none on file
name:Riff Jiang
links:none on file
name:Lawrence Lee
links:none on file
name:Junhua Zhai
links:none on file
name:Ze Gan
links:none on file
name:Vasundhara Volam
links:none on file
name:Prabhat Aravind
links:none on file
name:Prince Sunny
links:none on file
name:Prince George
links:none on file
name:Qi Luo
links:none on file
name:Evan Langlais
links:none on file
name:Soumya Tiwari
links:none on file
name:Venkat Satish Katta
links:none on file
name:Weixi Chen
links:none on file
name:Rishiraj Hazarika
links:none on file
name:Sachin Jain
links:none on file
name:Deven Jagasia
links:none on file
name:Michal Zygmunt
links:none on file
name:Avijit Gupta
links:none on file
name:Neeraj Motwani
links:none on file
name:Pranjal Shrivastava
links:none on file
name:Qiang Su
links:none on file
name:Anil Reddy Pannala
links:none on file
name:Kristina Moore
links:none on file
name:James Grantham
links:none on file
name:Anupam Pandey
links:none on file
name:Xin Liu
linkedin:fbxin
name:Guohan Lu
links:none on file
name:Gerald De Grace
links:none on file
name:Rishabh Tewari
links:none on file
name:Lihua Yuan
links:none on file
name:Erica Lan
links:none on file
name:Deepak Bansal
links:none on file
name:Dave Maltz
links:none on file
name:Yongqiang Xiong
links:none on file
name:Hong Xu
links:none on file

resources

video:https://youtu.be/QWYJG4D6dL8
slides:none on file

summary

Microsoft deploys SONiC DASH SmartSwitch: an immutable DASH pipeline programming model plus a uni-box SmartSwitch that co-locates NPU and up to eight DPUs and a P4 behavior model to lock down expected behavior. Production Azure deployment reaches 1.53 Tbps, 19.2M CPS, and 256M concurrent connections (lab scale to 1.6 Tbps with eight DPUs), while cutting power ~1.8× and space ~2.7× versus prior DPU-appliance generations. The system is vendor-neutral, open-source, and proven at hyperscale.

AI-written summary · about

chapters (8)

  1. 0:00Introduction
  2. 3:07Azure deployment lessons
  3. 5:54Design goals
  4. 6:37Sonic DASH project
  5. 9:03P4 and DASH APIs
  6. 10:49Smart switch architecture
  7. 12:54Production deployment
  8. 14:44Summary

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