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| Criterion |  Engineering Fault Isolation |  Agile ROAM Board |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery RAID Log |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 30-180 min | 20-40 min initial, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope | 30 min Setup, dann laufend |
Participantsdifferent | 1-6 | 3-15 | Evaluation team, architects, and relevant stakeholders | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | ROAM Board, Owner List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | RAID Log, Status Report Source |
Tagsno overlap | TroubleshootingDiagnosisEngineering | RiskAgileTrackingAlignment | ArchitectureQualityRiskTradeoffsStakeholders | RiskTrackingStakeholdersGovernance |