I don't think so. The sever instances are definitely cattle. The current state, which is mutable and volatile, is persisted because it needs to be and that's th

I don't think so. The sever instances are definitely cattle. The current state, which is mutable and volatile, is persisted because it needs to be and that's the service provided. The server instances are identical and destructible... This cattle. The illusion of permanence may exist but if the migration fails, the persisted state dies and the user gets reset.