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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Request for Comments |  Decision Making Pre-Mortem |  Delivery RAID Log |
|---|---|---|---|---|
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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 | High | Medium | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 Wochen vom Draft bis zur Entscheidung | 20–45 min | 30 min Setup, dann laufend |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-20 Reviewer | Small cross-functional group | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop + async | 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 | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Risk list, Mitigation plan, Assumption log | RAID Log, Status Report Source |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDecisionAsyncGovernance | RiskDecisionFailurePlanning | RiskTrackingStakeholdersGovernance |