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Selected:ATAM (Architecture Tradeoff Analysis Method)Views and BeyondRoot Cause Analysis8D Problem Solving
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Views and Beyond |  Operations Root Cause Analysis |  Operations 8D 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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 Tage | 1-4 h | 1-6 Wochen |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-4 | 3-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | 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 | Architecture Views, Cross-view Notes, Rationale | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | DocumentationStakeholdersArchitecture | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |