21CTO

Feb 16, 2016 · Backend Development

Rethinking 12306 Ticketing: A Domain‑Driven Design Model for Complex Train Reservations

This article analyses the unique business complexity of China's 12306 railway ticketing system, proposes a domain‑driven aggregate design centered on the train route, explains how to model seat availability and ticket issuance, and outlines a CQRS/event‑sourcing architecture to achieve strong consistency and high concurrency.