/aside></div><h2 id=istioctl>Istioctl</h2><p>This section covers the installation and upgrade of a separate control plane and gateway using <code>istioctl</code>. The example
demonstrates how to upgrade Istio 1.8.0 to 1.8.1 using canary upgrade, with gateways being managed separately from
the control plane.</p><h3 id=installation-with-istioctl>Installation with <code>istioctl</code></h3><ol><li><p>Ensure that the main <code>IstioOperator</code> CR has a name and does not install a gateway:</p><pre><code cla