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| Criterion |  Architecture Architecture Decision Record |  Business Strategy GAP Analysis |  Operations Getting Things Done |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | 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. | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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 | Low | Medium | Medium | Low |
Timedifferent | 15-45 min | 1-3 h | 1-2 h Setup, laufend | 1-2 Tage |
Participantsdifferent | 1-3 | 2-8 | 1 | 1-4 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Gap Matrix, Action Plan, Risk Notes | Action Lists, Project List, Review Routine | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | StrategyAnalysisPlanning | ProductivityPlanningTasksExecution | ArchitectureDocumentationCommunication |