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Selected:GAP AnalysisSAAM (Software Architecture Analysis Method)Root Cause AnalysisRoot Cause Tree Analysis
| Criterion |  Business Strategy GAP Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Root Cause Analysis |  Operations Root Cause Tree 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 h | Preparation, scenario analysis, and findings review; effort depends on scope | 1-4 h | 1-3 h |
Participantsdifferent | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | StrategyAnalysisPlanning | ArchitectureChangeAnalysisComparisonQuality | Root causeProblem solvingQualityIncident | Root causeTreeIncidentQuality |