{"id":"alb-external-managed-vs-external-scheme","text":"Global and regional ALBs use load balancing scheme `EXTERNAL_MANAGED`; classic ALBs use `EXTERNAL`. `EXTERNAL_MANAGED` backend services can attach to `EXTERNAL` forwarding rules but not vice versa.","truth_value":"IN","source":"entries/2026/03/10/lb-http.md","source_url":"","source_hash":"311a646a6f3b82b1","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"alb-external-managed-vs-external-scheme","truth_value":"IN","reason":"premise"}]}}