 Howard (Google)"><meta name=keywords content="microservices,services,mesh,install,upgrade,revision,control plane"><meta property="og:title" content="Safely Upgrade Istio using a Canary Control Plane Deployment"><meta property="og:type" content="website"><meta property="og:description" content="Simplifying Istio upgrades by offering safe canary deployments of the control plane."><meta property="og:url" content="/v1.6/blog/2020/multiple-control-planes/"><meta property="og:image" content="/v1.6/img/istio-whit