Standards and guidelines that apply to all Messages
| Category | Description of guideline/standard | Constraints/exceptions | Supporting work/issues/resources |
|---|
| Message Payload | Must be a resolvable reference to a representation of the current state of the resource or the resource representation itself | | |
| Message Payload | 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; | | |
| | Provide standard metadata with each message | | |
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| ... | | | |