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Selected:RAPIDATAM (Architecture Tradeoff Analysis Method)Architecture Communication CanvasRequest for Comments
| Criterion |  Decision Making RAPID |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Communication Canvas |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Medium | High | Medium | Medium |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-120 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 3-12 | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | DecisionRolesGovernance | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDecisionAsyncGovernance |