Software AtlasArea 14 · 7 topics
System Design
A method for reasoning about any design, then six classic systems built step by step. Each case links to the deep-dives it uses instead of re-teaching them, and shows what breaks as traffic grows.
01
Deep-dive readyThe System Design Method
Requirements, capacity estimates, trade-offs, and how to reason from a blank page.
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02
Deep-dive readyDesign a URL Shortener
ID generation, read-heavy scaling and caching.
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03
Deep-dive readyDesign a Chat System
WebSockets, message ordering, presence and delivery receipts.
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04
Deep-dive readyDesign a News Feed
Fan-out on write vs read, ranking, and accounts with millions of followers.
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05
Deep-dive readyDesign a Notification System
Queues, retries, deduplication, rate limits and provider failure.
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06
Deep-dive readyDesign File Sync
Chunking, deduplication, conflicts and resumable uploads.
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07
Deep-dive readyDesign a Payment System
Idempotency, ledgers, reconciliation and partial failure.
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