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Selected:Request for Comments Constraint Analysis Current Reality Tree Theory of Constraints Thinking Process

Criterion	Architecture Request for Comments	Decision Making Constraint Analysis	Systems Thinking Current Reality Tree	Systems Thinking Theory of Constraints Thinking Process
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.	A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once.	The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship.
Complexitydifferent	Medium	Low	High	High
Timedifferent	1-3 Wochen vom Draft bis zur Entscheidung	30-90 min	2-6 h	0.5-3 Tage
Participantsdifferent	3-20 Reviewer	2-8	3-8	4-10
Formatdifferent	Async	Workshop + async	Workshop	Workshop
Outputdifferent	RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets	Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries	Current Reality Tree, Core Problems, Intervention Ideas	Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles
Tagsno overlap	ArchitectureDecisionAsyncGovernance	ConstraintsDecisionPlanningOptions	Systems thinkingRoot causeConstraintsCausality	Theory of ConstraintsConstraintsSystems thinkingCausality

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