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| Criterion |  Decision Making Delphi Method |  Architecture Request for Comments |  Architecture Software Architecture Canvas |  Product Strategy Product Vision Board |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | When a product needs a shared direction, it connects target audience, benefit, and business picture in a clear vision. It makes the envisioned future legible for the team. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h | 1-2 h |
Participantsdifferent | 6-30 Experten | 3-20 Reviewer | 3-10 | 2-8 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Canvas, Goals, Constraints, Quality Attributes | Product Vision Board, Vision Statement, Assumptions and Validation Questions |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureDecisionAsyncGovernance | CanvasArchitectureAlignmentWorkshop | VisionCanvasStrategyAlignment |