opology.istio.io/subzone</code> is used to match the subzone metadata of an endpoint, which maps to Istio node label <code>topology.istio.io/subzone</code>.</li>
<li><code>kubernetes.io/hostname</code> is used to match the current node of an endpoint, which maps to Kubernetes node label <code>kubernetes.io/hostname</code>.</li>
</ul>
<p>The below topology config indicates the following priority levels:</p>
<pre><code class="language-yaml">failoverPriority:
- &quot;topology.istio.io/network&quot;
- &quot;top