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| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Fishbone Diagram |  Decision Making Pareto Analysis |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | 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 | High | Low | Low | Medium |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min | 30-60 min | 45-120 min |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | 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 | Fishbone Diagram, Cause Categories, Investigation Backlog | Pareto Chart, Top Causes, Focus List | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | Root causeQualityOperations | PrioritizationQualityFocusRoot cause | ChangeRoot causeTroubleshootingComparison |