Design Studio — Design a Video Streaming Platform (Netflix)
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Requirements
Scale & non-functional
- 220M subscribers, peak 15M concurrent streams
- 15% of global internet traffic at peak (Sandvine 2023)
- Video start time < 2s (play button to first frame)
- 99.99% streaming availability — buffering is user-visible
- Support 4K HDR playback where network allows
- Video content stored and replicated globally across CDN PoPs
- Upload pipeline: raw video processed within 24h of ingestion
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