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Selected:Architecture Decision Record8D Problem SolvingATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects Analysis
| Criterion |  Architecture Architecture Decision Record |  Operations 8D Problem Solving |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 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 | Low | High | High | High |
Timedifferent | 15-45 min | 1-6 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h |
Participantsdifferent | 1-3 | 4-10 | Evaluation team, architects, and relevant stakeholders | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | QualityProblem solvingRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause |