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| Criterion |  Product Discovery Context Canvas |  Decision Making DACI |  Architecture Request for Comments |  Architecture Software Architecture Canvas |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h |
Participantsdifferent | 3-10 | 2-10 | 3-20 Reviewer | 3-10 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Context canvas, Open questions, Shared context notes | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | ContextFramingRequirementsCanvas | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance | CanvasArchitectureAlignmentWorkshop |