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| Criterion |  Systems Thinking Future Reality Tree |  Architecture Request for Comments |  Systems Thinking Evaporating Cloud |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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 method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 2-4 h | 1-3 Wochen vom Draft bis zur Entscheidung | 60-120 min | 90-180 min |
Participantsdifferent | 3-8 | 3-20 Reviewer | 2-8 | 4-12 |
Formatdifferent | Workshop | Async | Workshop | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Decision Rights Matrix, Agreement |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ArchitectureDecisionAsyncGovernance | Theory of ConstraintsAssumptionsSystems thinking | DecisionGovernanceAlignmentResponsibility |