6 lessons from Cloudflare's June 2022 outage
On June 21, 2022, the US-based global content delivery network (CDN) provider and security company Cloudflare suffered an outage at 6:27 UTC that lasted until 7:42. The outage was caused by a network configuration error that affected 19 of Cloudflare's data center locations — Amsterdam, Atlanta, Ashburn, Chicago, Frankfurt, London, Los Angeles, Madrid, Manchester, Miami, Milan, Mumbai, Newark, Osaka, São Paulo, San Jose, Singapore, Sydney, Tokyo.