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| Criterion |  Operations Change Analysis |  Operations ABC Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Pareto Analysis |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-120 min | 30-60 min | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min |
Participantsdifferent | 2-6 | 1-5 | Architecture experts and stakeholders for scenarios and weighting | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | ABC Classification, Focus Rules, Control List | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Pareto Chart, Top Causes, Focus List |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | PrioritizationOperationsPortfolio | ArchitectureChangeAnalysisComparisonQuality | PrioritizationQualityFocusRoot cause |