ref=/v1.14/docs/ops/deployment/deployment-models/#multiple-clusters>multicluster deployment models</a>. For the purpose of
this guide, any of those approaches will work, with the following caveat:</p><p><strong>Ensure that a cluster-local Istio Prometheus instance is installed in each cluster.</strong></p><p>Individual Istio deployment of Prometheus in each cluster is required to form the basis of cross-cluster monitoring by
way of federation to a production-ready instance of Prometheus that runs externally