Video

System Design HLD Example: Video Streaming (YouTube/Netflix)

A video streaming platform is a two-sided architectural beast: a batch-oriented **transcoding pipeline** that converts raw uploads into multi-resolution segments, and a real-time **global delivery network** that serves those segments via CDNs. The technical linchpin is **Adaptive Bitrate Streaming (ABR)**, which enables the client player to seamlessly switch quality based on network fluctuations, ensuring a buffer-free experience for millions of concurrent users.