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| Criterion | ![]() Architecture Architecture Decision Record | ![]() Operations Kaizen Event | ![]() Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 15-45 min | 0.5-5 Tage | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-3 | 4-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | LeanContinuous improvementOperations | ArchitectureQualityRiskTradeoffsStakeholders |
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