Const ExperimentalThe zone where the endpoint is located, typically corresponding to a failure domain.
This attribute aligns with the zone field of endpoints in the
K8s EndpointSlice.
It enables zone-aware monitoring of service endpoint distribution and supports
features like Topology Aware Routing.
If the zone is not populated (e.g., nodes without the topology.kubernetes.io/zone label),
the attribute value will be an empty string.
This attribute is experimental and is subject to breaking changes in minor releases of @opentelemetry/semantic-conventions.
The zone of the service endpoint.