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Selected:ATAM (Architecture Tradeoff Analysis Method)Failure Scenario AnalysisFailure Mode and Effects Analysis8D Problem Solving
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Engineering Failure Scenario Analysis |  Operations Failure Mode and Effects 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. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | High | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | 2-6 h | 1-6 Wochen |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-8 | 3-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | 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 | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | FMEA Table, Risk Priority, Mitigation Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | FailureResilienceRisk | RiskQualityOperationsRoot cause | QualityProblem solvingRoot cause |