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| Criterion |  Architecture Request for Comments |  UX Research Customer Journey Mapping |  Architecture Architecture Communication Canvas |  Architecture arc42 |
|---|---|---|---|---|
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. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 2-4 h | 60-120 min | 1-2 Tage |
Participantsdifferent | 3-20 Reviewer | 4-10 | 2-8 | 1-4 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Journey Map, Pain-point List, Opportunity Backlog | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | JourneyServiceService design | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDocumentationCommunication |