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| Criterion |  Operations Fault Tree Analysis |  Architecture Architecture Communication Canvas |  Architecture Architecture Decision Record |  Delivery RAID Log |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 2-6 h | 60-120 min | 15-45 min | 30 min Setup, dann laufend |
Participantsdifferent | 3-8 | 2-8 | 1-3 | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | ADR File, Decision Log, Rationale | RAID Log, Status Report Source |
Tagsno overlap | RiskRoot causeSafety | ArchitectureCommunicationStakeholdersCanvas | ArchitectureRationaleDocumentationGovernance | RiskTrackingStakeholdersGovernance |