dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:nod-005d-observe-node-execution

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dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:nod-005d-observe-node-execution [2026/08/17 14:20] – removed - external edit (Unknown date) 127.0.0.1dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:nod-005d-observe-node-execution [2026/08/17 14:20] (current) – ↷ Links adapted because of a move operation nick_dido
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 +====== NOD-005d — Observe Node Execution ======
  
 +[[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:start|Go to NOD-005 — Execute a Node]]
 +
 +===== Statement =====
 +
 +The [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]] SHALL observe each [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]] throughout its participation in [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]].
 +
 +===== Derived From =====
 +
 +  * [[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:start|NOD-005 — Execute a Node]]
 +  * [[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:nod-005a-authorize-node-execution|NOD-005a — Authorize Node Execution]]
 +  * [[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:nod-005b-initiate-node-execution|NOD-005b — Initiate Node Execution]]
 +  * [[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-02-node-requirements:nod-005-execute-a-node:nod-005c-provide-node-inputs|NOD-005c — Provide Node Inputs]]
 +  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-005|[DTE5] DIDO-TE Requirements Register]], source requirement identifier and obligation to be assigned
 +  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-006|[DTE6] Structured Information Processing Reference Architecture (SIP-RA)]]
 +  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-007|[DTE7] Federated Data Interpretation Systems Reference Architecture (FDIS-RA)]]
 +
 +===== Rationale =====
 +
 +Observation captures the behavior, state, interactions, outputs, resource use, timing, and operating conditions of a Node during Test Execution.
 +
 +The applicable [[dido:99_annexes:annex-b-terms-and-definitions:n:node_definition|Node Definition]], [[dido:99_annexes:annex-b-terms-and-definitions:n:node_implementation|Node Implementation]], [[dido:99_annexes:annex-b-terms-and-definitions:n:node_configuration|Node Configuration]], and [[dido:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]] identify the observable characteristics, observation points, collection mechanisms, sampling conditions, and expected behavior.
 +
 +Observation distinguishes expected Node behavior from a deviation requiring execution control or treatment as a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution_exception|Test Execution Exception]]. It also associates Node behavior with the applicable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_input|Test Inputs]], Node Bindings, Test Resources, and Test Results.
 +
 +Incomplete, inaccurate, intrusive, incorrectly timed, or untraceable observation may conceal a material deviation or alter the behavior being evaluated.
 +
 +===== Applies To =====
 +
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:n:node_definition|Node Definition]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:n:node_implementation|Node Implementation]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:n:node_configuration|Node Configuration]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:n:node_binding|Node Binding]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_input|Test Input]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_resource|Test Resource]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution_exception|Test Execution Exception]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]]
 +  * [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]]
 +
 +===== Verification =====
 +
 +Verification confirms that:
 +
 +  * The DIDO-TE uniquely identifies the Node being observed.
 +  * The DIDO-TE identifies the applicable Test Execution and Test Definition.
 +  * The Test Definition identifies the required observations, observation points, collection mechanisms, timing, frequency, duration, and applicable tolerances.
 +  * The DIDO-TE verifies that each required observation mechanism is available before Node execution begins.
 +  * The DIDO-TE observes the Node from execution initiation through execution completion or termination.
 +  * The DIDO-TE observes the Node state, activity, interactions, outputs, resource use, timing, and applicable operating conditions.
 +  * The DIDO-TE associates each observation with the applicable Node, Test Execution, Test Input, and time.
 +  * The DIDO-TE uses a controlled and consistent time reference for observations.
 +  * The DIDO-TE preserves the sequence of observations across applicable Nodes and Test Resources.
 +  * The DIDO-TE distinguishes an observed value from an expected value or applicable tolerance.
 +  * The DIDO-TE detects a missing, incomplete, delayed, duplicated, corrupted, altered, misattributed, or out-of-sequence observation.
 +  * The DIDO-TE detects a Node state, behavior, interaction, output, or resource use that differs from the applicable criteria.
 +  * The DIDO-TE identifies an observed condition that constitutes a Test Execution Exception.
 +  * The DIDO-TE prevents observation mechanisms from altering Node behavior beyond specified tolerances.
 +  * The DIDO-TE protects sensitive observations from unauthorized disclosure.
 +  * The DIDO-TE preserves each material observation or an integrity-protected reference to it.
 +  * The DIDO-TE records the observation identity, Node, Test Execution, observation point, mechanism, value, unit, time, sequence, expected value, tolerance, finding, and applicable exception.
 +  * Repeated observation of equivalent Node behavior under equivalent conditions produces equivalent observations within specified tolerances.
 +  * The DIDO-TE maintains Traceability among the Node Definition, Node Implementation, Node Configuration, Test Definition, Test Inputs, Node Bindings, Test Resources, observations, exceptions, Test Results, and resulting Evidence.
 +  * A missing, incomplete, inaccurate, intrusive, altered, misattributed, ambiguously timed, or untraceable observation constitutes nonconformance with this requirement.
 +
 +Verification includes:
 +
 +  * Inspection of required observations and observation mechanisms
 +  * Observation of Node state, behavior, interactions, outputs, resource use, and timing
 +  * Confirmation that observations use a controlled and consistent time reference
 +  * Confirmation that observations identify the applicable Node, Test Execution, and Test Input
 +  * A negative assessment involving a missing observation
 +  * A negative assessment involving an altered or misattributed observation
 +  * A negative assessment involving an observation outside an applicable tolerance
 +  * Confirmation that a material deviation produces a detectable condition
 +  * Confirmation that observation does not alter Node behavior beyond specified tolerances
 +  * Inspection of observation records, exceptions, Test Results, Evidence, and Traceability
 +
 +===== Referenced By =====
 +
 +{{backlinks>.}}
 +
 +===== Related Architecture Sections =====
 +
 +  * Add links to the architecture sections governing Node observation, observation points, time synchronization, Test Execution Exceptions, Test Results, Evidence, and Traceability.
 +
 +===== Delivery Phase =====
 +
 +<todo>Assign the applicable delivery phase.</todo>
 +
 +===== Requirement Status =====
 +
 +Draft
 +
 +===== Statement Reference =====
 +
 +Use the following syntax to reference this requirement’s Statement section from another DokuWiki page:
 +
 +<code dokuwiki>
 +{{section>dido:03-dido-te:99-annexes:annex-c-requirements:03-node-requirements:nod-005-execute-a-node:nod-005d-observe-node-execution#Statement&noheader&nofooter&noeditbtn}}
 +</code>
 +
 +----
 +
 +<WRAP centeralign>
 +© 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc.
 +</WRAP>