AWS spent years rebuilding its routing control plane without taking the network down

Every AWS API call, CloudFront video stream, and Route 53 lookup crosses the same infrastructure, which AWS calls its border network. It now runs on a routing system rebuilt from scratch over several years. The system that tells traffic where to go The scale AWS reports, current as of the post: 39 regions, 123 availability zones, over 750 points of presence on six continents, peering with more than 5,000 outside networks, hundreds of terabits per … More → The post AWS spent years rebuilding its