✦ / Writing
Field
notes.
Systems under load, latency budgets, and the unglamorous work that keeps software fast when it gets popular.
20 Jan 20265 min→16 Dec 20257 min→
Postel's Law: The Secret to Building APIs That Don't Break
"Be conservative in what you send, be liberal in what you accept." How one old networking maxim keeps your APIs from breaking every time a client adds a field.
apisbackenddesign
System Design 101: Client–Server Architecture, the CAP Theorem, and Why They Matter
A beginner-friendly tour of how the client–server model actually works, what the CAP theorem really means, and why every large system has to trade consistency for availability.
systemsarchitecturefundamentals