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Concept guides/Scale and caching/CDNs & the edge

System designScale and caching

CDNs & the edge

Hard3 min read

Questions it teaches

Podcast hosting for a small networkEasy25 min CDN caching with traffic spikesMedium35 min Paid media CDN authorizationMedium35 min On-the-fly image derivativesMedium35 min Edge feature-flag evaluationMedium35 min Map tile serving systemMedium45 min Edge compute JWT validationHard45 min Live streaming segment deliveryHard50 min

Related

Scale and caching Data modeling and storage Search and feeds Reliability and failover Real-time systems Consistency and money Messaging and streams

Builds on: Data modeling and storage

Designing a parking lot4 min Designing a pastebin3 min

Leads to: Search and feeds

Polling a feed for new items4 min Social feed (fan-out design)4 min

Leads to: Reliability and failover

Observability systems3 min Anomaly detection3 min

Leads to: Real-time systems

Short polling for presence4 min URL routing3 min

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