TikTok Short Video Platform
TikTok's architecture: short video processing, real-time recommendations, global CDN, and viral content distribution.
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Designing a global short-form video platform with real-time recommendations, massive scale video processing, and AI-powered content moderation
🎥 1B+ Daily Users📱 100M+ Videos/Day🤖 AI Recommendations🌍 Global CDN
✅ Functional Requirements
- • Users can upload short videos (15s-10min) with audio, filters, and effects
- • Real-time video processing and encoding for multiple resolutions
- • Personalized infinite-scroll feed with recommendation algorithm
- • Social features: likes, comments, shares, follows, duets
- • Live streaming capabilities with real-time chat
- • Content discovery through hashtags, sounds, and trending algorithms
- • Video editing tools: filters, effects, transitions, text overlays
- • Creator analytics and monetization features
⚡ Non-Functional Requirements
- • Handle 1B+ daily active users globally
- • Support 100M+ video uploads per day
- • Sub-200ms feed refresh latency
- • 99.9% uptime for video streaming
- • Global CDN with <2s video start time
- • Real-time recommendation updates based on user behavior
- • Content moderation at scale with AI and human review
- • GDPR, CCPA compliance across all regions
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