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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Kaizen Event |  Architecture Views and Beyond |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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 | High | Medium | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 0.5-5 Tage | 1-3 Tage | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-10 | 1-4 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Architecture Views, Cross-view Notes, Rationale | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | LeanContinuous improvementOperations | DocumentationStakeholdersArchitecture | LeanProblem solvingCoachingOperations |