Amazon EKS clusters
An Amazon EKS cluster consists of two primary components:
-
The Amazon EKS control plane
-
Amazon EKS nodes that are registered with the control plane
The Amazon EKS control plane consists of control plane nodes that run the Kubernetes
software,
such as etcd and the Kubernetes API server. The control plane runs in an
account managed by AWS, and the Kubernetes API is exposed via the Amazon EKS endpoint
associated with your cluster. Each Amazon EKS cluster control plane is single-tenant
and unique, and runs on its own set of Amazon EC2 instances.
All of the data stored by the etcd nodes and associated Amazon EBS volumes is
encrypted using AWS KMS. The cluster control plane is provisioned across multiple
Availability Zones and
fronted by an Elastic Load Balancing Network Load Balancer. Amazon EKS also provisions
elastic network interfaces in your VPC
subnets to provide connectivity from the control plane instances to the nodes (for
example,
to support
kubectl exec
,
logs
, and
proxy
data flows).
Amazon EKS nodes run in your AWS account and connect to your cluster's control plane via the API server endpoint and a certificate file that is created for your cluster.
You can find out how the different components of Amazon EKS work in Amazon EKS networking.
