Why Banks Let You Wait but Never Miscalculate: A 5‑Minute Guide to the CAP Theorem

Every delay you notice in WeChat messages, flash‑sale pages, or bank transfers stems from the same underlying distributed‑system trade‑off, and this article explains the CAP theorem, its three guarantees, common misconceptions, and how CP versus AP architectures shape real‑world services.

BASE modelCAP theoremCP vs AP

0 likes · 11 min read

Why Banks Let You Wait but Never Miscalculate: A 5‑Minute Guide to the CAP Theorem

Architect's Journey

Apr 13, 2022 · Fundamentals

Is Classifying Distributed Systems as CP or AP a False Dichotomy?

The article revisits the CAP theorem, explains linearizable consistency and strict availability, demonstrates with concrete data‑center examples why the CP/AP split is often misleading, and argues that latency concerns and broader failure modes make the binary classification of distributed systems impractical.

CAP theoremCP vs APLinearizability

0 likes · 10 min read

Is Classifying Distributed Systems as CP or AP a False Dichotomy?