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| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Decision Tree |  Business Strategy GAP 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 30-90 min | 1-3 h |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 1-6 | 2-8 |
Formatsame | Workshop + async | 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 | Decision Tree, Option Map, Assumption List | Gap Matrix, Action Plan, Risk Notes |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | DecisionTreeOptions | StrategyAnalysisPlanning |
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