5.7 Logical Traceability Model

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The logical Traceability model maps Part 2 logical elements to Part 1 conceptual elements, preparing them for later implementation, deployment, testability, and Evidence mapping.

A Logical Node traces to Node. A Logical Node Role traces to Node Role. A Logical Communication Endpoint traces to Communication Endpoint. A Logical Data Structure Definition traces to Data Structure Definition. A Logical Data Structure Instance traces to a Data Structure Instance. A Logical Runtime Plane traces to the Runtime Plane. Logical evidence expectations trace to Evidence. Logical trace relationships trace to Traceability.

The logical Traceability model supports forward review from concept to logical model and backward review from logical element to conceptual source. It also supports later Traceability from logical model to implementation artefacts, deployment artefacts, and Evidence.

The Logical Architecture / PIM therefore establishes a reviewable, platform-independent structure that later parts can specialise, implement, deploy, test, and Evidence without redefining the conceptual foundation.

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