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| Criterion |  Agile Scrum |  Engineering Failure Scenario Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | When a team needs to work in a fixed delivery rhythm, it stabilizes cadence, responsibility, and feedback loops. It makes collaboration reliable across sprint boundaries. | 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. | 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 early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-4 Wochen je Sprint, laufend | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 20–45 min |
Participantsdifferent | 3-10 (Scrum Team) | 3-8 | Evaluation team, architects, and relevant stakeholders | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Product Backlog, Sprint Backlog, Increment, Sprint Goal | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | AgileIterationCadence | FailureResilienceRisk | ArchitectureQualityRiskTradeoffsStakeholders | RiskDecisionFailurePlanning |