System Design: Video Streaming Platform

Design a video streaming service like YouTube

Requirements

Functional

Upload and store videos
Video transcoding
Streaming with adaptive bitrate
Search and recommendations

Non-Functional

Global scale
Low buffering
High availability
CDN optimization

System Components

Upload Service

Chunked upload, virus scanning

Transcoding Pipeline

Multiple quality levels

CDN

Global content delivery

Recommendation Engine

ML-based suggestions

Coming Soon

Detailed architecture diagrams, database schema, API design, and scalability considerations.