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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery RAID Log |  Operations 8D Problem Solving |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Low | High | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30 min Setup, dann laufend | 1-6 Wochen | 1-4 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-3 maintaining, briefing for everyone | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | 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 | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RiskTrackingStakeholdersGovernance | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |