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| Criterion |  Business Strategy GAP Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Fishbone Diagram |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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. | 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 | Medium | High | Low | Medium |
Timedifferent | 1-3 h | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min | 45-120 min |
Participantsdifferent | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | StrategyAnalysisPlanning | ArchitectureChangeAnalysisComparisonQuality | Root causeQualityOperations | ChangeRoot causeTroubleshootingComparison |