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Selected:ATAM (Architecture Tradeoff Analysis Method)Request for CommentsRAID LogArchitecture Decision Record
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Request for Comments |  Delivery RAID Log |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 Wochen vom Draft bis zur Entscheidung | 30 min Setup, dann laufend | 15-45 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-20 Reviewer | 1-3 maintaining, briefing for everyone | 1-3 |
Formatdifferent | Workshop + async | Async | Async | 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 | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | RAID Log, Status Report Source | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDecisionAsyncGovernance | RiskTrackingStakeholdersGovernance | ArchitectureRationaleDocumentationGovernance |