Pattern series
Multi-Provider Routing / Failover
5 System Design questions share this exact tag. Use the closely related series below for a fuller drill.
- 01Preview
Flight Booking System
Design a flight booking system that lets travelers search and book multi-leg itineraries across airlines, reserving fare-class seat inventory and issu...
Duffel - 02Preview
Hotel Reservation (Booking.com)
Design Booking.com — a hotel marketplace aggregating live availability and pricing from thousands of independent supplier hotels, where search results...
Booking.com - 03Preview
Netflix
Design Netflix’s video delivery system — stream a licensed, curated catalog to tens of millions of concurrent viewers worldwide with minimal buffering...
Netflix - 04Preview
Stripe
Design Stripe itself — a payments platform that other companies build on top of, exposing charge/webhook APIs to thousands of merchants while routing...
Stripe - 05Free guide
LLM Inference Gateway
Design an LLM inference gateway that sits between internal product teams and multiple model providers/backends, handling routing, streaming, quotas, a...
OpenAI / Anthropic