Loop

Scaling & Traffic Fundamentals

How systems grow from one box to many, and how requests find their way.

0 of 6 lessons complete · 57 min total

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  1. Vertical vs Horizontal ScalingWhy one bigger box eventually loses to many small ones.Animation · 10 minNot completed
  2. Load BalancingDistributing traffic and surviving server failures.Animation · 10 minNot completed
  3. CDNs: Content at the EdgeCutting latency by moving bytes closer to users.Animation · 9 minNot completed
  4. Proxies, Reverse Proxies & API GatewaysThe front door: TLS, auth, rate limits, and routing in one place.Animation · 10 minNot completed
  5. Back-of-Envelope EstimationQuick math that changes design decisions — and when to skip it.Animation · 10 minNot completed
  6. Scaling Fundamentals CheckpointScaling trade-offs, LB strategies, CDN applicability, and estimation sanity checks.Checkpoint · 8 minNot completed