~/talk

CEGS: Configuration Example Generalizing Synthesizer

Talkat NSDI '25 · 2025-04-28..04-30· [networking]
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name:Li Chen
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name:Dan Li
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slides:none on file

CEGS is a system that uses a GNN-based Querier to find relevant device documentation examples, a GNN-based Classifier to map example snippets to target devices, and an LLM-driven synthesis pipeline (GPT‑4) that generates templates, runs syntax + local + global verifiers, and fills parameters with a formal synthesizer. It automatically produces correct configs without human intervention for networks up to 1,094 devices across ~100 scenarios, and runs over 30× faster than prior LLM-based approaches that take hours.

AI-written summary · about

  1. 0:00CEGS synthesizer intro
  2. 1:45Limitations of synthesizers
  3. 3:10Key automation challenges
  4. 5:00CEGS phases
  5. 5:21Phase one: retrieval
  6. 7:09Phase two: associations
  7. 8:39Phase three: generation
  8. 11:10CEGS performance
  9. 15:47Contributions and results
  10. 16:30Q&A
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