View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  Architecture Request for Comments |  Operations MORT Analysis |  Architecture arc42 |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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 Wochen vom Draft bis zur Entscheidung | Mehrere Tage bis Wochen | 1-2 Tage | 2-4 h |
Participantsdifferent | 3-20 Reviewer | 2-6 | 1-4 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Architecture Document, Context View, Runtime View, Deployment View | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | Root causeSafetySystemicIncident | ArchitectureDocumentationCommunication | Root causeSafetyIncident |