ology.kubernetes.io/region&quot;
- &quot;topology.kubernetes.io/zone&quot;
- &quot;topology.istio.io/subzone&quot;
</code></pre>
<ol>
<li>endpoints match same [network, region, zone, subzone] label with the client proxy have the highest priority.</li>
<li>endpoints have same [network, region, zone] label but different [subzone] label with the client proxy have the second highest priority.</li>
<li>endpoints have same [network, region] label but different [zone] label with the client proxy have the third hig