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Merge pull request #28051 from XudongLiuHarold/promote-loadbalancerclass-to-beta 

KEP-1959 Update document for promoting loadbalancerclass to beta
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Kubernetes Prow Robot 2021-07-28 10:17:35 -07:00 committed by GitHub
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content/en/docs/concepts/services-networking/service.md
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@ -643,12 +643,12 @@ You must enable the `ServiceLBNodePortControl` feature gate to use this field.
#### Specifying class of load balancer implementation {#load-balancer-class}
{{< feature-state for_k8s_version="v1.21" state="alpha" >}}
{{< feature-state for_k8s_version="v1.22" state="beta" >}}
Starting in v1.21, you can optionally specify the class of a load balancer implementation for
`LoadBalancer` type of Service by setting the field `spec.loadBalancerClass`.
`spec.loadBalancerClass` enables you to use a load balancer implementation other than the cloud provider default. This feature is available from v1.21, you must enable the `ServiceLoadBalancerClass` feature gate to use this field in v1.21, and the feature gate is enabled by default from v1.22 onwards.
By default, `spec.loadBalancerClass` is `nil` and a `LoadBalancer` type of Service uses
the cloud provider's default load balancer implementation.
the cloud provider's default load balancer implementation if the cluster is configured with
a cloud provider using the `--cloud-provider` component flag.
If `spec.loadBalancerClass` is specified, it is assumed that a load balancer
implementation that matches the specified class is watching for Services.
Any default load balancer implementation (for example, the one provided by
@ -658,7 +658,6 @@ Once set, it cannot be changed.
The value of `spec.loadBalancerClass` must be a label-style identifier,
with an optional prefix such as "`internal-vip`" or "`example.com/internal-vip`".
Unprefixed names are reserved for end-users.
You must enable the `ServiceLoadBalancerClass` feature gate to use this field.
#### Internal load balancer