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Selected:RACI MatrixATAM (Architecture Tradeoff Analysis Method)Fishbone DiagramFailure Mode and Effects Analysis
| Criterion |  Operations RACI Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Low | High |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 2-6 h |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | RolesResponsibilityGovernanceOperations | ArchitectureQualityRiskTradeoffsStakeholders | Root causeQualityOperations | RiskQualityOperationsRoot cause |