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Selected:Architecture Decision RecordKaizen EventSAAM (Software Architecture Analysis Method)A3 Problem Solving
| Criterion |  Architecture Architecture Decision Record |  Operations Kaizen Event |  Architecture SAAM (Software Architecture Analysis Method) |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-45 min | 0.5-5 Tage | Preparation, scenario analysis, and findings review; effort depends on scope | 45-90 min |
Participantsdifferent | 1-3 | 4-10 | Architecture experts and stakeholders for scenarios and weighting | 2-5 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | 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 | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | LeanContinuous improvementOperations | ArchitectureChangeAnalysisComparisonQuality | LeanProblem solvingCoachingOperations |