From Silos to Service Topology: Why Netflix Built a Real-Time Service Map

By Parth Jain , Rakesh Sukumar , Yingwu Zhao , Renzo Sanchez-Silva & Nathan Fisher How we built a living map of our distributed infrastructure to help engineers understand dependencies, troubleshoot faster, and keep Netflix running smoothly for our members around the world. The Puzzle with a Thousand Pieces Picture this: It’s 3am, and an engineer gets paged. One of our critical services is showing elevated error rates.