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| Criterion |  Operations Change Analysis |  Operations 8D Problem Solving |  Domain Modeling EventStorming |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 45-120 min | 1-6 Wochen | 2-8 h | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-6 | 4-10 | 5-12 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | 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 |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | QualityProblem solvingRoot cause | Domain-Driven DesignEventsDiscoveryWorkshop | ArchitectureChangeAnalysisComparisonQuality |