Architecture

Why Netflix Moved from a Monolith to Microservices: A Comprehensive Analysis of Scalability, Resilience, and Innovation at Global Scale

Netflix moved from a monolithic architecture to microservices to fix scalability issues, single points of failure, and slow innovation as streaming demand grew. The original unified codebase faced a major 2008 outage, inefficient scaling, tight coupling, and slow deployments. By migrating to AWS and creating independent services, it enabled targeted scaling, fault isolation, and faster deployments.