P2-REQ-16-5-006 [Dido Solutions, Inc Wiki]

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====== P2-REQ-16-5-006 ======

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

===== Statement =====

A [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_event|Logical Event]] SHALL represent a [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_data_structure_instance|Logical Data Structure Instance]] reporting an occurrence, observation, state change, decision, or result.

===== Source =====

Part 2, Section 16.5: Logical Information Requirements.

===== Rationale =====

Logical Events communicate that something has occurred within the architecture. They provide a consistent, platform-independent representation of observations, state changes, decisions, and results while remaining independent of event-processing technologies and messaging infrastructures.

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

This requirement applies to the Logical Information Model.

It applies specifically to:

  * Logical Events;
  * Logical Data Structure Instances;
  * Logical Interaction Patterns; and
  * Domain Logical Profiles.

===== Verification =====

Verification SHALL confirm that each Logical Event represents a Logical Data Structure Instance reporting an occurrence, observation, state change, decision, or result.

Verification activities should include review checks confirming that:

  * Logical Events are explicitly identified;
  * each event reports a defined occurrence or result;
  * Logical Events remain platform independent; and
  * implementation technologies do not redefine Logical Events.

===== Traceability =====

This requirement supports traceability between Logical Events, the occurrences they report, and the Logical Interaction Patterns that exchange them.

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-5-002]]
  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-5-005]]
  * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-7-003]]

Related source section:

  * [[fxdemo:02-part:16-logical-requirements:16-5-logical-information-requirements:start]]

===== Status =====

Draft

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