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

Criterion	Decision Making Constraint Analysis	Architecture Architecture Inception Canvas	Architecture Request for Comments	Architecture Architecture Communication Canvas
Purposedifferent	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 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.	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 Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design.
Complexitydifferent	Low	Low	Medium	Medium
Timedifferent	30-90 min	1-2 h	1-3 Wochen vom Draft bis zur Entscheidung	60-120 min
Participantsdifferent	2-8	3-8	3-20 Reviewer	2-8
Formatdifferent	Workshop + async	Workshop	Async	Workshop + async
Outputdifferent	Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries	Inception Canvas, Risks, Goal List, Open Questions	RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets	Communication Canvas, Stakeholder Messages, Architecture Communication Plan
Tagsno overlap	ConstraintsDecisionPlanningOptions	AlignmentArchitectureCanvas	ArchitectureDecisionAsyncGovernance	ArchitectureCommunicationStakeholdersCanvas

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