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| Criterion |  Architecture Views and Beyond |  Operations Kepner-Tregoe |  Architecture arc42 |  Operations 5 Whys |
|---|---|---|---|---|
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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Tage | 2-8 h | 1-2 Tage | 15-30 min |
Participantsdifferent | 1-4 | 2-8 | 1-4 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | Problem Analysis, Decision Analysis, Risk Plan | Architecture Document, Context View, Runtime View, Deployment View | Root cause notes, Countermeasures |
Tagsno overlap | DocumentationStakeholdersArchitecture | Problem solvingRoot causeDecisionOperations | ArchitectureDocumentationCommunication | Root causeIncidentLeanProblem solving |