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CDN System Design Case Studies

InterviewSkool tracks 9 CDN case studies with architecture diagrams, scale estimates, and deep dives.

Filter by company to see which companies ask CDN questions, or browse all case studies.

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Companies

Google2Salesforce2Adobe1Apple1Atlassian1Databricks1Goldman Sachs1Meta1Microsoft1Netflix1OpenAI1

Topics

Distributed Systems 90Real-time 51Storage 43Data Pipelines 42API Design 41Databases 38Caching 37Security 32AI / ML 23Algorithms 20Scheduling 20Search 19Event Driven 14Fintech 14Payments 11Geospatial 11Analytics 11Observability 11E-commerce 11Messaging 10CDN 9Concurrency 8Ads 8Frontend 8Booking System 6Networking 5IoT 4Media 3Media Streaming 3Collaboration 3Rate Limiting 2
CDN✕Clear all
Google Drive
16 min readStorageCDNDistributed Systems
Advanced▶ Mock
Live Streaming (Instagram Live/YouTube Live)
14 min readMedia StreamingCDNReal-time
Beginner—▶ Mock
Netflix – Streaming Service
17 min readMedia StreamingCDNStorage
Advanced▶ Mock
Digital Game Store and Distribution Platform (Steam)
6 min readE-commercePaymentsCDN
Intermediate▶ Mock
Simple Greeting-Card Web App (MVP Architecture)
4 min readAPI DesignStorageCDN
Beginner▶ Mock
Interactive Map with 100 Million+ Points
4 min readGeospatialFrontendData Pipelines
Advanced▶ Mock
Pastebin (Share Text by Link)
4 min readStorageCachingAPI Design
Beginner▶ Mock
Global Restaurant Chain Menu Update System
4 min readDistributed SystemsCDNCaching
Intermediate▶ Mock
Runtime Localization System (i18n)
4 min readFrontendAPI DesignCDN
Intermediate▶ Mock

Frequently Asked Questions

What is CDN in system design?

CDN is a core system design topic covered in 9 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare CDN for system design interviews?

Study the case studies above, focusing on architecture trade-offs, scale estimates, and API designs. Practice explaining your decisions aloud — this is exactly what interviewers evaluate.

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