{"id":"azure-architecture-substrate-within-tier-envelope","text":"Compute substrate choice (AKS vs App Service) is architecturally second-order: the tier-governed triple constraint cascade bounds the achievable security, HA, and cost envelope, within which both substrates achieve equivalent defense-in-depth through the same underlying platform stack — making tier selection the first-order decision and substrate selection an implementation detail within it.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"_retracted":true},"explanation":{"steps":[{"node":"azure-architecture-substrate-within-tier-envelope","truth_value":"OUT","reason":"retracted premise"}]}}