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| Criterion |  Architecture Request for Comments |  Systems Thinking Future Reality Tree |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | 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 ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 2-4 h | 15-45 min |
Participantsdifferent | 3-20 Reviewer | 3-8 | 1-3 |
Formatdifferent | Async | Workshop | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | Theory of ConstraintsSystems thinkingChange | ArchitectureRationaleDocumentationGovernance |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
