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| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Architecture arc42 |
|---|---|---|---|
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 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | High | Medium | Low |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 1-2 Tage |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 1-4 |
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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | ArchitectureDocumentationCommunication |
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