Welder paper at SOSP takes a step toward formally verifying cluster control planes like Kubernetes
tianyin_xu · x · 2026-10-01
Xudong Sun will present the Welder paper at SOSP's Verification and Formal Methods session, framed as the second step toward an ambitious goal: formally verifying large-scale cluster control planes like Kubernetes.
First author Catoverflow adds that this is their first serious PhD research project aimed at making practical systems verifiable. Verified controllers in Welder remain relatively simple for now, but the authors note that as AI agents become more capable, the verified-approach path gets more tractable — with the wry aside that 'hacking proofs was not fun.'
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