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| Criterion |  Systems Thinking Future Reality Tree |  Architecture Architecture Decision Record |  Decision Making OODA Loop |  Architecture arc42 |
|---|---|---|---|---|
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 ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 2-4 h | 15-45 min | 15-60 min je Zyklus | 1-2 Tage |
Participantsdifferent | 3-8 | 1-3 | 1-8 | 1-4 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | ADR File, Decision Log, Rationale | Situation Assessment, Decision Loop, Action Updates | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ArchitectureRationaleDocumentationGovernance | DecisionChangeLearningStrategy | ArchitectureDocumentationCommunication |