Transportation

IRCTC Railway Reservation System Architecture

A complete system design of an online railway reservation platform inspired by IRCTC. Explore the high-level architecture, user authentication, train search, seat availability, booking workflows, payment gateway integration, PNR generation, ticket cancellation, refunds, database schema, caching, message queues, scalability, security, and fault tolerance. Includes architecture diagrams, request flows, component explanations, and system design trade-offs.

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