either through federation or classification.
If the information provided by the label is desired, you can use <a href=/v1.17/docs/ops/best-practices/observability/#using-prometheus-for-production-scale-monitoring>Prometheus federation</a> or <a href=/v1.17/docs/tasks/observability/metrics/classify-metrics/>request classification</a> to normalize the label.</li></ul></div><h5 id=mixer-migration class=question>How do I migrate existing Mixer functionality?</h5><div class=answer><p>Mixer was <a href=/v1.17/new