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Notes on backend architecture, performance work, and the WordPress and Laravel systems I build.

System Design
One movie, 190 countries, zero buffering: how Netflix answers the interview
kzamanbd
Aug 6, 202610 min read
One movie, 190 countries, zero buffering: how Netflix answers the interview
A system-design case study of the classic Netflix question — 120 million simultaneous streams, 4–15 Mbps each, no buffering. We do the napkin math, show why a data centre cannot serve it, and walk through Open Connect, adaptive bitrate and the control-plane / data-plane split that actually make it work.
Intermediate
- System Design
- Networking
- CDN
- Streaming