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| ====== Operational Stability ====== | ====== Operational Stability ====== |
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| [[private:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]] | [[public:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]] |
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| ===== Discussion ===== | ===== Discussion ===== |
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| Operational Stability is a [[private:99_annexes:annex-b-terms-and-definitions:q:quality_characteristic|Quality Characteristic]] concerning the degree to which the operational characteristics of a subject remain within permitted variation under specified conditions for a specified period. | Operational Stability is a [[public:99_annexes:annex-b-terms-and-definitions:q:quality_characteristic|Quality Characteristic]] concerning the degree to which the operational characteristics of a subject remain within permitted variation under specified conditions for a specified period. |
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| Operational Stability can apply to: | Operational Stability can apply to: |
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| * A [[private:99_annexes:annex-b-terms-and-definitions:c:candidate_solution|Candidate Solution]] | * A [[public:99_annexes:annex-b-terms-and-definitions:c:candidate_solution|Candidate Solution]] |
| * A [[private:99_annexes:annex-b-terms-and-definitions:d:distributed_system|Distributed System]] | * A [[public:99_annexes:annex-b-terms-and-definitions:d:distributed_system|Distributed System]] |
| * A [[private:99_annexes:annex-b-terms-and-definitions:n:node|Node]] | * A [[public:99_annexes:annex-b-terms-and-definitions:n:node|Node]] |
| * A [[private:99_annexes:annex-b-terms-and-definitions:n:node_set|Node Set]] | * A [[public:99_annexes:annex-b-terms-and-definitions:n:node_set|Node Set]] |
| * A service | * A service |
| * A software component | * A software component |
| * A hardware component | * A hardware component |
| * An [[private:99_annexes:annex-b-terms-and-definitions:e:execution_facility|Execution Facility]] | * An [[public:99_annexes:annex-b-terms-and-definitions:e:execution_facility|Execution Facility]] |
| * An [[private:99_annexes:annex-b-terms-and-definitions:o:operational_resource|Operational Resource]] | * An [[public:99_annexes:annex-b-terms-and-definitions:o:operational_resource|Operational Resource]] |
| * Another subject having observable operational characteristics | * Another subject having observable operational characteristics |
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| * Storage utilization | * Storage utilization |
| * Energy consumption | * Energy consumption |
| * Another characteristic established by the [[private:99_annexes:annex-b-terms-and-definitions:a:acceptance_criteria|Acceptance Criteria]] | * Another characteristic established by the [[public:99_annexes:annex-b-terms-and-definitions:a:acceptance_criteria|Acceptance Criteria]] |
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| Operational Stability can identify: | Operational Stability can identify: |
| * The evaluation period | * The evaluation period |
| * The applicable workload | * The applicable workload |
| * The applicable [[private:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]] | * The applicable [[public:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]] |
| * The applicable [[private:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]] | * The applicable [[public:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]] |
| * The applicable reference values | * The applicable reference values |
| * The permitted variation | * The permitted variation |
| * The treatment of planned changes | * The treatment of planned changes |
| * The treatment of nondeterministic behavior | * The treatment of nondeterministic behavior |
| * The applicable DIDO [[private:99_annexes:annex-b-terms-and-definitions:b:baseline|Baseline]] | * The applicable DIDO [[public:99_annexes:annex-b-terms-and-definitions:b:baseline|Baseline]] |
| * The applicable [[private:99_annexes:annex-b-terms-and-definitions:v:validation_criteria|Validation Criteria]] | * The applicable [[public:99_annexes:annex-b-terms-and-definitions:v:validation_criteria|Validation Criteria]] |
| * The applicable Acceptance Criteria | * The applicable Acceptance Criteria |
| * Its [[private:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] | * Its [[public:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] |
| * Its [[private:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]] | * Its [[public:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]] |
| * Its [[private:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] | * Its [[public:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] |
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| Operational Stability can be evaluated using: | Operational Stability can be evaluated using: |
| ===== Definition ===== | ===== Definition ===== |
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| //[[private:99_annexes:annex-b-terms-and-definitions:q:quality_characteristic|Quality Characteristic]] concerning the degree to which the operational characteristics of a subject remain within permitted variation under specified conditions for a specified period// | //[[public:99_annexes:annex-b-terms-and-definitions:q:quality_characteristic|Quality Characteristic]] concerning the degree to which the operational characteristics of a subject remain within permitted variation under specified conditions for a specified period// |
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| ===== Source ===== | ===== Source ===== |
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| * [[https://www.iso.org/standard/78176.html|ISO/IEC 25010:2023, Systems and software Quality Requirements and Evaluation (SQuaRE) — Product quality model]] | * [[https://www.iso.org/standard/78176.html|ISO/IEC 25010:2023, Systems and software Quality Requirements and Evaluation (SQuaRE) — Product quality model]] |
| * [[private:99_annexes:annex-b-terms-and-definitions:q:quality_characteristic|Quality Characteristic]] | * [[public:99_annexes:annex-b-terms-and-definitions:q:quality_characteristic|Quality Characteristic]] |
| * [[private:99_annexes:annex-b-terms-and-definitions:r:reliability|Reliability]] | * [[public:99_annexes:annex-b-terms-and-definitions:r:reliability|Reliability]] |
| * [[private:99_annexes:annex-b-terms-and-definitions:p:performance_efficiency|Performance Efficiency]] | * [[public:99_annexes:annex-b-terms-and-definitions:p:performance_efficiency|Performance Efficiency]] |
| * DIDO Reference Implementation Conceptual Model | * DIDO Reference Implementation Conceptual Model |
| * DIDO-TE draft Requirements Register | * DIDO-TE draft Requirements Register |
| ===== Note ===== | ===== Note ===== |
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| Operational Stability differs from [[private:99_annexes:annex-b-terms-and-definitions:r:reliability|Reliability]]: | Operational Stability differs from [[public:99_annexes:annex-b-terms-and-definitions:r:reliability|Reliability]]: |
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| * Operational Stability concerns variation in selected operational characteristics | * Operational Stability concerns variation in selected operational characteristics |
| A subject can exhibit stable performance while consistently producing incorrect results. | A subject can exhibit stable performance while consistently producing incorrect results. |
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| Operational Stability differs from [[private:99_annexes:annex-b-terms-and-definitions:p:performance_efficiency|Performance Efficiency]]: | Operational Stability differs from [[public:99_annexes:annex-b-terms-and-definitions:p:performance_efficiency|Performance Efficiency]]: |
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| * Operational Stability concerns variation over time or operating conditions | * Operational Stability concerns variation over time or operating conditions |