# Section 10: Architecture and Enhancements --- # What you’re about to learn We’re getting into the guts of Kubernetes now! After this module, you will: * Be able to locate the architecture documents for Kubernetes * Understand how the different components interact * Know how features and major changes are added to Kubernetes --- # Where are the architecture documents? The good news is that the Kubernetes architecture is very well documented. * A great place to start is [this overview of Kubernetes components](https://kubernetes.io/docs/concepts/overview/components/). * You can find the cluster architecture in the [Concepts section of the documentation](https://kubernetes.io/docs/concepts/architecture/). --- # What are the components of a Kubernetes cluster? A Kubernetes deployment is called a cluster. So what is it made of? * The control plane makes global decisions about the cluster, as well as detecting and responding to cluster events * [Compute resources, known as nodes](https://kubernetes.io/docs/concepts/architecture/nodes/), run pods and provide the Kubernetes runtime environment. * [Pods are the smallest deployable units](https://kubernetes.io/docs/concepts/workloads/pods/) of computing that you can create and manage in Kubernetes. You can also learn [how they communicate with each other](https://kubernetes.io/docs/concepts/architecture/control-plane-node-communication/). --- # How are new features added to Kubernetes? New features are added through a process that begins with a [Kubernetes Enhancement Proposal](https://github.com/kubernetes/enhancements/blob/master/keps/README.md). KEPs are required for most non-trivial changes. Specifically: * Anything that may be controversial * Most new features * Major changes to existing features * Changes that are wide ranging or impact most of the project --- # Who manages the Kubernetes Enhancement Proposal process? First, we call it KEP for short. And second, the KEP process is managed by the Architecture Special Interest Group (SIG Architecture). * To learn more, [read the SIG Architecture documentation](https://github.com/kubernetes/community/blob/master/sig-architecture/README.md). <div class="bottom-nav"> <a href="/docs/onboarding">Onboarding Index</a> </div>
Section 10: Architecture and Enhancements
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