Step 12: Real-World Case Studies
Navigation: Main Index | ← Step 11: Trade-offs
Overview
This step covers comprehensive system design case studies of major platforms, applying concepts from all previous steps. Each case study includes detailed architecture, components, data flows, scaling strategies, key design decisions, challenges, and solutions. These real-world examples demonstrate how to design systems at massive scale.
Topics Covered
1. YouTube
- Video storage and delivery
- CDN architecture
- Recommendations and search
2. Twitter
- Timeline generation
- Real-time feeds
- Scaling challenges
3. WhatsApp
- Messaging architecture
- Real-time delivery
- End-to-end encryption
4. Uber
- Location tracking
- Ride matching
- Real-time updates
5. Amazon
- E-commerce platform
- Inventory management
- Recommendations
6. Google Drive
- File storage and sync
- Collaboration features
- Version control
7. Netflix
- Video streaming
- CDN and encoding
- Recommendations
8. Instagram
- Photo storage
- Feed generation
- Social features
9. Zoom
- Video conferencing
- Real-time communication
- Scaling video
10. Booking / Airbnb
- Search and filtering
- Booking system
- Availability management
Quick Navigation
| Case Study | File | Key Concepts |
|---|---|---|
| YouTube | youtube.md | Video storage, CDN, recommendations |
| twitter.md | Timeline, real-time, scaling | |
| whatsapp.md | Messaging, real-time, encryption | |
| Uber | uber.md | Location, matching, real-time |
| Amazon | amazon.md | E-commerce, inventory, recommendations |
| Google Drive | google-drive.md | Storage, sync, collaboration |
| Netflix | netflix.md | Streaming, CDN, encoding |
| instagram.md | Photos, feeds, social | |
| Zoom | zoom.md | Video conferencing, real-time |
| Booking | booking-airbnb.md | Search, booking, availability |
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