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Selected:Architecture Decision RecordABC AnalysisFailure Mode and Effects AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture Architecture Decision Record |  Operations ABC Analysis |  Operations Failure Mode and Effects Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. | 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. |
Complexitydifferent | Low | Low | High | High |
Timedifferent | 15-45 min | 30-60 min | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-3 | 1-5 | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | ABC Classification, Focus Rules, Control List | FMEA Table, Risk Priority, Mitigation Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | PrioritizationOperationsPortfolio | RiskQualityOperationsRoot cause | ArchitectureQualityRiskTradeoffsStakeholders |