StreamFlix is a Netflix-style OTT platform built for scalability and resilience. Videos are uploaded → automatically transcoded into multiple bitrates via AWS Elemental MediaConvert → stored in S3. CloudFront CDN delivers content globally with <1s latency. During peak (e.g., new episode drops), Auto Scaling adds EC2 instances + Lambda@Edge handles personalized thumbnails. Real-time analytics via Kinesis track views, drop-offs, and buffering. Payment & user data in DynamoDB. Multi-DRM (Widevine, FairPlay) via AWS SPEKE. Architecture designed for 99.99% uptime.