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| Criterion |  Operations ABC Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Kepner-Tregoe |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Low | High | High | Medium |
Timedifferent | 30-60 min | Preparation, scenario analysis, and findings review; effort depends on scope | 2-8 h | 45-120 min |
Participantsdifferent | 1-5 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | 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 | Problem Analysis, Decision Analysis, Risk Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | PrioritizationOperationsPortfolio | ArchitectureChangeAnalysisComparisonQuality | Problem solvingRoot causeDecisionOperations | ChangeRoot causeTroubleshootingComparison |