P4-REQ-21-9-001 [Dido Solutions, Inc Wiki]

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====== P4-REQ-21-9-001 ======

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

===== Statement =====

The Phase 0 Implementation Profile / PSM SHALL define a Phase 0 QoS Profile Model.

===== Source =====

Part 4, Section 21.9: QoS Profile Requirements.

===== Rationale =====

A defined QoS Profile Model establishes the controlled communication behavior used by the selected Phase 0 DDS implementation.

The model makes communication characteristics explicit and allows QoS selections to remain aligned with DDS Topic mappings, Runtime Plane purposes, and the Phase 0 implementation baseline.

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

This requirement applies to:

  * Phase 0 QoS profiles;
  * DDS Topic mappings;
  * Runtime Plane mappings;
  * publisher and subscriber configuration; and
  * communication compatibility review.

===== Verification =====

Verification SHALL confirm that the Phase 0 Implementation Profile / PSM defines a Phase 0 QoS Profile Model.

Verification activities should include review checks confirming that:

  * applicable QoS profile families are identified;
  * QoS mappings identify their communication purpose;
  * applicable DDS Topic relationships are defined; and
  * QoS configuration is governed by the Phase 0 implementation baseline.

===== Traceability =====

This requirement establishes the Phase 0 communication behavior model used by the remaining QoS requirements.

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-9-002]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-9-003]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-9-012]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-9-013]]

Related source section:

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

===== Status =====

Draft

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