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Selected:Request for CommentsAssumption MappingATAM (Architecture Tradeoff Analysis Method)Risk Storming
| Criterion |  Architecture Request for Comments |  Product Discovery Assumption Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |
|---|---|---|---|---|
Purposedifferent | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 45-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min |
Participantsdifferent | 3-20 Reviewer | 2-8 | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Assumption map, Test backlog, Risk ranking | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | AssumptionsRiskExperimentsValidation | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation |