P4-REQ-21-9-013 [Dido Solutions, Inc Wiki]

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====== P4-REQ-21-9-013 ======

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

===== Statement =====

QoS profiles SHALL NOT redefine Runtime Planes, FX logical Communication Endpoints, FX logical information structures, or FX logical interaction patterns.

===== Source =====

Part 4, Section 21.9: QoS Profile Requirements.

===== Rationale =====

QoS profiles control implementation communication behavior. They do not define the architectural meaning of Runtime Planes, Communication Endpoints, information structures, or interaction patterns.

This constraint preserves separation between the Part 3 FX Demo Logical Profile and the communication behavior selected for the Phase 0 DDS implementation.

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

This requirement applies to:

  * Phase 0 QoS profiles;
  * DDS Topic mappings;
  * Runtime Plane mappings;
  * FX logical Communication Endpoints;
  * FX logical information structures; and
  * FX logical interaction patterns.

===== Verification =====

Verification SHALL confirm that QoS profiles do not redefine Part 3 logical architectural elements.

Verification activities should include review checks confirming that:

  * Runtime Plane definitions remain governed by Part 3;
  * Communication Endpoint definitions remain governed by Part 3;
  * logical information structures remain governed by Part 3;
  * logical interaction patterns remain governed by Part 3; and
  * QoS choices remain identifiable as implementation communication behavior.

===== Traceability =====

This requirement preserves the separation between Part 3 logical architectural meaning and the Phase 0 QoS implementation model.

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-9-001]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-9-012]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-7-008]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-5-011]]

Related source section:

  * [[fxdemo:04-part:21-phase-0-implementation-requirements:21-9-qos-profile-requirements:start]]

===== Status =====

Draft

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