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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery RAID Log |  Operations 5 Whys |
|---|---|---|---|
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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30 min Setup, dann laufend | 15-30 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-3 maintaining, briefing for everyone | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop |
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 | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RiskTrackingStakeholdersGovernance | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
