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| Criterion |  Architecture Request for Comments |  Growth Pirate Metrics AARRR |  Architecture Architecture Decision Record |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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 products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h Setup, laufend | 15-45 min | 30-60 min |
Participantsdifferent | 3-20 Reviewer | 2-8 | 1-3 | 2-6 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | AARRR funnel, Metric baseline, Experiment backlog | ADR File, Decision Log, Rationale | Counter Metric List, Guardrail Definitions |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | GrowthMetricsExperiments | ArchitectureRationaleDocumentationGovernance | MetricsMeasurementStrategyExperiments |