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| Criterion |  Architecture Views and Beyond |  Operations Fault Tree Analysis |  Architecture arc42 |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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. | 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 1-3 Tage | 2-6 h | 1-2 Tage | 2-4 h |
Participantsdifferent | 1-4 | 3-8 | 1-4 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Architecture Document, Context View, Runtime View, Deployment View | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | DocumentationStakeholdersArchitecture | RiskRoot causeSafety | ArchitectureDocumentationCommunication | Root causeSafetyIncident |