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AWS CNI lessons from a Production Outage

T1Covered by 1 source · first reported by Databricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale at

_This post is the last in a series discussing the Neon outages on 2025 05 16 and 2025 05 19 in our AWS us east 1 region. In this post, we cover the IP allocation failures that persisted through the majority of the disruption. For further details, read our_ top level Post Mortem h...

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