~/talk

Internet Connection Splitting: What’s Old is New Again

on YouTube 14m
Talkat USENIX ATC '25 · 2025-07-07..07-09· [networking]

speakers

name:Gina Yuan
links:none on file
name:Thea Rossman
links:none on file
name:Keith Winstein
links:none on file

resources

video:https://youtu.be/Dq8df9ds0rw
slides:none on file

summary

Emulation study uses TCNETM and a novel split-throughput heuristic to estimate PEP gains across 150 emulations covering an estimated 8,000 split settings. Key claims: modern BBR (v2/ v3) regresses to being loss-sensitive and in many scenarios gains throughput from connection splitting where TCP Cubic did not; QUIC implementations (user-space) show wide behavioral variance so QUIC implementations vary and cannot be transparently split, so the paper relies on a heuristic rather than an explicit splitter; code and heatmaps are published.

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chapters (10)

  1. 0:00Introduction
  2. 1:43Modern protocols and limits
  3. 3:28Measurement study design
  4. 5:31BBR versions and benefits
  5. 7:58Estimating split throughput
  6. 8:41Network paths that benefit
  7. 10:05Congestion control schemes
  8. 11:33Quick implementations
  9. 12:59Takeaways and future work
  10. 13:41Summary

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