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Standards and guidelines that apply to all TIER Messages

CategoryDescription of guideline/standardConstraints/exceptionsSupporting work/issues/resources
Message PayloadMust be a resolvable reference to a representation of the current state of the resource representation or the resource representation itself  
Message PayloadA resolved The representation of a given resource must be the same whether obtained via Messaging or via API  
 Explicitly declare supported guarantees for use as needed: One-time delivery; At least one-time delivery; Order preserved;  
 Standard Provide standard metadata with each message  
 Are messages where the payload is the current resource state enough to support all institutional processes? I.e. Do we need process-specific, process-identified events? C.f. "Identity Events"