====== P1-REQ-13-7-008 ======

[[dido:99_annexes:annex-d-requirements:part-01:start|Return to Part 1 Requirements]]

===== Statement =====

[[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] SHALL support impact analysis across conceptual, logical, implementation, deployment, and [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] layers.

===== Source =====

Part 1, Section 13.7: Traceability Requirements.

===== Rationale =====

Impact analysis depends on traceability across architectural layers. A change to a conceptual concern may affect logical elements, implementation artifacts, deployment artifacts, and evidence. A change to evidence, deployment, implementation, or logical material may also affect the interpretation of architectural support.

This requirement supports change control, review, governance, and risk management across the architecture lifecycle.

===== Applies To =====

This requirement applies to traceability relationships used for impact analysis.

It applies specifically to impact analysis across:

  * Conceptual layers
  * Logical layers
  * Implementation layers
  * Deployment layers
  * Evidence layers

===== Verification =====

Verification SHALL confirm that Traceability supports impact analysis across conceptual, logical, implementation, deployment, and Evidence layers.

Verification activities include review checks confirming that:

  * Traceability identifies affected upstream elements
  * Traceability identifies affected downstream elements
  * Impact analysis spans the required architectural layers
  * Impact analysis distinguishes one-to-one, one-to-many, many-to-one, and many-to-many relationships where applicable

===== Traceability =====

Related source section:

  * [[fxdemo:01-part:13-conceptual-requirements:13-7-traceability-requirements]]

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-7-001:start]]
  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-7-006:start]]
  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-7-007:start]]
  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-7-009:start]]

===== Status =====

Draft

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