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Selected:Incident CommandATAM (Architecture Tradeoff Analysis Method)Architecture Decision RecordRunbook
| Criterion |  DevOps Incident Command |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Decision Record |  Operations Runbook |
|---|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | As needed | Several meetings plus preparation and analysis; total effort depends on scope | 15-45 min | 20-60 min |
Participantsdifferent | 4-15 | Evaluation team, architects, and relevant stakeholders | 1-3 | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
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 | ADR File, Decision Log, Rationale | Runbook, Checklist, Escalation Path |
Tagsno overlap | IncidentOperationsReliability | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureRationaleDocumentationGovernance | OperationsReliabilityDocumentation |