Step 12: Real-World Case Studies

Navigation: Main Index | ← Step 11: Trade-offs


Overview

This step covers detailed system design case studies of major platforms, applying concepts from all previous steps.


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 StudyFileKey Concepts
YouTubeyoutube.mdVideo storage, CDN, recommendations
Twittertwitter.mdTimeline, real-time, scaling
WhatsAppwhatsapp.mdMessaging, real-time, encryption
Uberuber.mdLocation, matching, real-time
Amazonamazon.mdE-commerce, inventory, recommendations
Google Drivegoogle-drive.mdStorage, sync, collaboration
Netflixnetflix.mdStreaming, CDN, encoding
Instagraminstagram.mdPhotos, feeds, social
Zoomzoom.mdVideo conferencing, real-time
Bookingbooking-airbnb.mdSearch, booking, availability

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