P2-REQ-16-2-004 [Dido Solutions, Inc Wiki]

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====== P2-REQ-16-2-004 ======

[[dido:99_annexes:annex-d-requirements:part-02:start| Return to Requirements]]

===== Statement =====

The Logical Architecture / PIM SHALL distinguish [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Logical Nodes]] from runtime deployments, implementation artifacts, deployment artifacts, execution mechanisms, and communication technologies.

===== Source =====

Part 2, Section 16.2: Distributed Node-Based Architecture Requirements.

===== Rationale =====

The Logical Architecture is platform independent. Separating Logical Nodes from implementation and deployment concepts preserves architectural meaning while allowing multiple implementation approaches to realize the same logical participant.

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

This requirement applies to the definition, interpretation, maintenance, review, and implementation mapping of the Logical Architecture / PIM.

It applies specifically to:

  * Logical Nodes;
  * Implementation Profiles;
  * Deployment Profiles; and
  * Technology mappings.

===== Verification =====

Verification SHALL confirm that Logical Nodes remain distinct from implementation and deployment concepts.

Verification activities should include review checks confirming that:

  * Logical Nodes are not defined as runtime artifacts;
  * implementation technologies do not redefine Logical Nodes;
  * deployment mechanisms do not redefine Logical Nodes; and
  * implementation mappings preserve the logical meaning of each Logical Node.

===== Traceability =====

This requirement supports traceability between Logical Nodes and the implementation artifacts that realize them.

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-2-001]]
  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-2-002]]
  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-2-003]]
  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-2-005]]

Related source section:

  * [[fxdemo:02-part:16-logical-requirements:16-2-distributed-node-based-architecture-requirements:start]]

===== Status =====

Draft

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