Why Google Went Offline Today and a Bit about How the Internet Works

This post details Cloudflare's role in diagnosing and helping to resolve a significant Google outage caused by a BGP route leak originating from an Indonesian ISP (Moratel). It highlights the importance of Cloudflare's network engineering team's around-the-clock monitoring of internet routing (BGP) and their ability to quickly identify and communicate with other network operators to fix such issues. The post also serves as a case study illustrating the inherent trust-based vulnerabilities in BGP and how Cloudflare's global network and expertise are crucial for maintaining internet stability and ensuring optimal routes for its customers, even when external factors cause widespread disruptions.