Attachment Point

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An attachment point identifies a defined boundary location through which structured information enters or exits an architectural element.

Attachment points support architectural traceability by identifying where information exchange, validation, interpretation, transformation, release, or receipt occurs.

An attachment point differs from an implementation interface. An implementation interface realises an attachment point through a selected technology. The attachment point defines the architectural boundary and responsibility independently of the implementation mechanism.

defined boundary location through which structured information enters or exits an architectural element

Structured Information Processing Reference Architecture (RA)

An attachment point provides a stable architectural location for analysing information flow, interface responsibility, and implementation mapping.

A Data Plane service has an attachment point where a structured information artefact enters the service for validation and another attachment point where the validated artefact exits the service for downstream processing.