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| Criterion |  Agile Specification by Example |  Architecture Request for Comments |  Architecture arc42 |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 60-90 min pro Feature | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 Tage | 60-120 min |
Participantsdifferent | 3-6 | 3-20 Reviewer | 1-4 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Example Table, Acceptance Tests | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Document, Context View, Runtime View, Deployment View | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | ArchitectureDecisionAsyncGovernance | ArchitectureDocumentationCommunication | ArchitectureCommunicationStakeholdersCanvas |