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Selected:ATAM (Architecture Tradeoff Analysis Method)Incident CommandRoot Cause Tree AnalysisFishbone Diagram
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  DevOps Incident Command |  Operations Root Cause Tree Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | As needed | 1-3 h | 30-60 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-15 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Incident Log, Action Tracker, Stakeholder Updates | Cause Tree, Evidence Notes, Countermeasures | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | IncidentOperationsReliability | Root causeTreeIncidentQuality | Root causeQualityOperations |