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Enabling Topology Aware Hints
Kubernetes v1.21 [alpha]
Topology Aware Hints enable topology aware routing with topology hints included in EndpointSlices. This approach tries to keep traffic close to where it originated from; you might do this to reduce costs, or to improve network performance.
Before you begin
You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts. If you do not already have a cluster, you can create one by using minikube or you can use one of these Kubernetes playgrounds:
The following prerequisite is needed in order to enable topology aware hints:
- Configure the kube-proxy to run in iptables mode or IPVS mode
- Ensure that you have not disabled EndpointSlices
Enable Topology Aware Hints
To enable service topology hints, enable the
gate for the
kube-apiserver, kube-controller-manager, and kube-proxy: