nary-deploy new versions of Istio. In this new model, proxies will associate with a specific control plane that they use. This allows a new version to deploy to the cluster with less risk - no proxies connect to the new version until the user explicitly chooses to. This allows gradually migrating workloads to the new control plane, while monitoring changes using Istio telemetry to investigate any issues, just like using <code>VirtualService</code> for workloads. Each independent control plane is referred to