API Gateway — Kong, Traefik, Patterns API Gateway moderne pour routing, auth, rate limiting, observabilité. Responsabilités | Fonction | Outils | |----------|--------| | Routing (path, header, canary) | Kong, Traefik, Nginx | | Auth (JWT, OAuth2, API keys) | Kong plugins, Traefik middleware | | Rate Limiting (per-user/IP) | Redis-backed counters | | Load Balancing | HAProxy, Traefik | | Circuit Breaker | Resilience4j, Istio | Stacks Kong — Enterprise, plugins riches, K8s-native Traefik — Cloud-native, auto-discovery AWS API Gateway — Managed, serverless Nginx — Performance max, self-hosted En…