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Selected:Incident CommandATAM (Architecture Tradeoff Analysis Method)Fake Door TestFailure Mode and Effects Analysis
| Criterion |  DevOps Incident Command |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Fake Door Test |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | As needed | Several meetings plus preparation and analysis; total effort depends on scope | 1-5 Tage | 2-6 h |
Participantsdifferent | 4-15 | Evaluation team, architects, and relevant stakeholders | Nutzertraffic | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Click Data, Interest Signal, Learning Decision | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | IncidentOperationsReliability | ArchitectureQualityRiskTradeoffsStakeholders | ValidationExperimentsDemandDiscovery | RiskQualityOperationsRoot cause |