10.5 Subscribe to Domain Information

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The Subscribe to Domain Information pattern allows a Logical Node to receive domain, financial, analytical, lifecycle, validation, or derived information through a Logical Communication Endpoint.

A subscribing Logical Node consumes Logical Data Structure Instances governed by a Logical Data Structure Definition. The subscription identifies the consuming Logical Node, endpoint, expected information structure, Runtime Plane, compatibility expectations, and Traceability expectations.

The interaction belongs primarily to the Logical Data Plane. It also supports the Logical Audit and Provenance Plane when the architecture records consumption, processing, or downstream use.

Table 10-4: Subscribe to Domain Information logical interaction pattern

Element	Logical treatment
Primary Runtime Plane	Logical Data Plane
Producing Logical Node Role	Publisher, Event Producer, Assertion Producer, or Domain Information Producer
Consuming Logical Node Role	Subscriber, Event Consumer, Validator, Interpreter, Auditor, or Oversight Node
Primary information	Logical Event, Logical Message, Logical Assertion, or Logical Record
Supporting information	Consuming Logical Node Identity, endpoint identity, expected information definition, compatibility metadata
Traceability expectation	Subscription traces to consuming Logical Node, endpoint, expected information structure, Runtime Plane, and downstream responsibility.
Evidence expectation	Captured consumption records support review of processing, lineage, and accountability.

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