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Selected:Request for Comments Constraint Analysis Architecture Communication Canvas Architecture Inception Canvas

Criterion	Architecture Request for Comments	Decision Making Constraint Analysis	Architecture Architecture Communication Canvas	Architecture Architecture Inception Canvas
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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped.	The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design.	The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails.
Complexitydifferent	Medium	Low	Medium	Low
Timedifferent	1-3 Wochen vom Draft bis zur Entscheidung	30-90 min	60-120 min	1-2 h
Participantsdifferent	3-20 Reviewer	2-8	2-8	3-8
Formatdifferent	Async	Workshop + async	Workshop + async	Workshop
Outputdifferent	RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets	Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries	Communication Canvas, Stakeholder Messages, Architecture Communication Plan	Inception Canvas, Risks, Goal List, Open Questions
Tagsno overlap	ArchitectureDecisionAsyncGovernance	ConstraintsDecisionPlanningOptions	ArchitectureCommunicationStakeholdersCanvas	AlignmentArchitectureCanvas

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