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 or in one of the clusters.</p><p>Validate that you have an instance of Prometheus running in each cluster:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl -n istio-system get services prometheus
NAME         TYPE        CLUSTER-IP   