12.1 Overview

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The Logical Traceability Model defines how the distributed, node-based Logical Architecture / PIM preserves relationships among Part 1 conceptual elements, Part 2 logical elements, domain-profile specialisations, implementation mappings, deployment artefacts, and Evidence expectations.

Logical Traceability allows authors and reviewers to follow a concern from conceptual meaning to logical structure. It also prepares later parts to trace logical elements to implementation artefacts, deployment artefacts, test scenarios, runtime observations, and Evidence records.

The Logical Traceability Model does not prescribe a traceability tool, repository structure, modelling notation, requirements-management system, issue tracker, metadata format, or evidence store. Implementation and governance profiles select mechanisms that realise logical Traceability for a specific implementation context.

Figure 12-1 summarises the logical traceability chain.

Part 1 Conceptual Element
└── Part 2 Logical Element / PIM
    └── Domain Logical Profile Element
        └── Implementation Artefact / PSM
            └── Deployment Artefact
                └── Evidence

Figure 12-1: Logical traceability chain from concept to evidence