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| Criterion |  Delivery RAID Log |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making DACI |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 30 min Setup, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 maintaining, briefing for everyone | Evaluation team, architects, and relevant stakeholders | 2-10 | 3-20 Reviewer |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | RAID Log, Status Report Source | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | RiskTrackingStakeholdersGovernance | ArchitectureQualityRiskTradeoffsStakeholders | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance |