ation to destination rules</a></li><li><a href=#see-also>See also</a></li></ul></nav></div><hr></nav><p>This page describes how to upgrade an existing Istio deployment (including both control plane and sidecar proxy) to a new release of Istio.
The upgrade process may install new binaries and may change configuration and API schemas. The upgrade process
may result in service downtime. To minimize downtime, please ensure your Istio control plane components and your applications
are highly available with multi