tr><tr><th>Feature Status</th><td>Beta</td></tr><tr><th>Resource Types</th><td>[Node]</td></tr><tr><th>Description</th><td><p>User-provided node label for identifying the locality subzone of a workload. This allows admins to specify a more granular level of locality than what is offered by default with Kubernetes regions and zones.</p></td></tr></tbody></table></article><nav class=pagenav><div class=left><a title="Resource annotations used by Istio." href=/v1.21/zh/docs/reference/config/annotations/ class=n