P4-REQ-21-5-010 [Dido Solutions, Inc Wiki]

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====== P4-REQ-21-5-010 ======

[[dido:99_annexes:annex-d-requirements:part-04:start| Return to Requirements]]

===== Statement =====

Each DDS Topic mapping SHALL preserve traceability to the Part 3 FX logical Communication Endpoint.

===== Source =====

Part 4, Section 21.5: Communication Endpoint Mapping Requirements.

===== Rationale =====

Each DDS Topic is an implementation realization of a logical communication definition and must remain connected to that authoritative Part 3 source.

Preserving traceability prevents Topic names, data representations, QoS profiles, or runtime configuration from becoming disconnected implementation decisions.

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

This requirement applies to:

  * DDS Topic mappings;
  * FX logical Communication Endpoints;
  * configuration metadata;
  * mapping tables; and
  * implementation traceability records.

===== Verification =====

Verification SHALL confirm that each DDS Topic mapping preserves traceability to its applicable Part 3 FX logical Communication Endpoint.

Verification activities should include review checks confirming that:

  * the applicable endpoint is identifiable;
  * mapping records connect the Topic to its logical source;
  * changes preserve or explicitly update the traceability relationship; and
  * reviewers can navigate from DDS Topic to Part 3 endpoint definition.

===== Traceability =====

This requirement establishes backward traceability from Phase 0 DDS Topics to their authoritative Part 3 FX logical Communication Endpoints.

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-5-001]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-5-002]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-5-009]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-5-011]]

Related source section:

  * [[fxdemo:04-part:21-phase-0-implementation-requirements:21-5-communication-endpoint-mapping-requirements:start]]

===== Status =====

Draft

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