and gradually migrate. ### Install Control plane This can run in any cluster. A mesh should have at least one cluster should run Pilot or equivalent XDS server, and it is recommended to have Pilot running in each region and in multiple availability zones for multi cluster. ```bash iop istio-control istio-discovery $IBASE/istio-control/istio-discovery \ --set global.istioNamespace=istio-system # Second istio-discovery, using master version of istio TAG=latest HUB=gcr.io/istio-testing iop istio-master...