# Patterns
All Patterns notes →01 — Decision-Making Patterns
Buy vs. Build, Build vs. Platform, Sync vs. Async, SQL vs. NoSQL, and Monolith vs. Microservices — recurring architecture forks and the questions that actually resolve them.
patterns architecture-decisions book maang-prep
02 — Trade-off Analysis Frameworks
CAP, PACELC, Latency vs. Throughput, Cost vs. Reliability, and Simplicity vs. Flexibility — the frameworks for making a trade-off explicit instead of leaving it implicit in the design.
patterns architecture-decisions book maang-prep