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System design

Infosys system design

6 system design prompts sourced from real Infosys loops. Each one ships with scale targets, evaluation rubrics, and a reference architecture diagram.

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Design a video streaming platform

Design a Netflix/YouTube-style streaming platform that supports upload, transcoding, adaptive playback, and personalization. Optimize for global low-latency playback and storage cost.

Scale targets

Users: 250M paid subsQPS: 15M concurrent streamsLatency: <2s startup timeStorage: ~exabyte

Key areas

Upload + transcoding pipelineAdaptive bitrate streaming (HLS/DASH)Edge CDN strategyDRM + licensingRecommendation + personalization

Reference diagram

Read-only — use it after attempting the prompt yourself.