Today's Outage Post Mortem

What this post added

This post details a significant network outage caused by a Border Gateway Protocol (BGP) routing error during scheduled maintenance in Hong Kong. It explains the technical cause of the outage, the impact on traffic, and the immediate steps taken to resolve it. Crucially, it outlines future prevention measures, including implementing verification layers for routing changes and enhancing communication with upstream providers to prevent similar incidents. This post highlights the operational challenges and ongoing efforts to ensure the reliability and resilience of Cloudflare's global network.