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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Runbook |  Operations A3 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. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | High | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 20-60 min | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-4 | 2-5 |
Formatdifferent | Workshop + async | 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 | Runbook, Checklist, Escalation Path | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | OperationsReliabilityDocumentation | LeanProblem solvingCoachingOperations |
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