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Kubernetes Architecture Explained

Curated resources that explain how Kubernetes is put together: the control plane, nodes, Pods and how they communicate.

14 topics•3 categories•Updated October 2026

Official Documentation

6 entries

The Kubernetes project's own reference.

01Kubernetes Components (Official Docs)The official reference for every control plane and node component, straight from the Kubernetes documentation. 02Kubernetes Cluster Architecture (Official Docs)The official concepts overview covering nodes, control plane-node communication, and cluster topology. 03Nodes (Official Docs)Official documentation on node status, node controllers, capacity, and node lifecycle management. 04Control Plane-Node Communication (Official Docs)How the API server, kubelet, and nodes securely communicate — covering the node-to-control-plane and control-plane-to-node paths. 05Pods (Official Docs)The official concept guide to Pods — the smallest deployable unit in Kubernetes, and the foundation that runs on every worker node. 06Kubernetes — CNCF Graduated ProjectKubernetes' official project page at the Cloud Native Computing Foundation, graduated in 2018 and the largest project in the CNCF ecosystem.

Explainers

3 entries

Third-party walk-throughs of the architecture.

07Kubernetes Architecture — GeeksforGeeksA concise breakdown of control plane and worker node components, plus common kubectl commands for exploring a live cluster. 08Kubernetes Architecture: 11 Core Components Explained — FlexeraA deeper dive covering persistent storage, Helm, and cluster architecture best practices beyond the core control plane and node components. 09Kubernetes Architecture: The Ultimate Guide — DevtronWalks through a real request flow step by step, plus high-availability control plane setups and cluster networking with CNIs.

Related Pages

5 entries

Related directories on this site.

10Kubernetes Platform OverviewArchitecture, components and concepts. 11Kubernetes TutorialsGuides for learning Kubernetes. 12Cluster Management ToolsManaging clusters. 13GitHub Repositories to Learn KubernetesRepositories for learning. 14ContainerizationContainerization hub.

Frequently Asked Questions

What are the main parts of Kubernetes architecture?

A control plane that stores and manages cluster state, and worker nodes that run Pods. The API server connects them.

How do nodes communicate with the control plane?

Nodes talk to the API server, and the control plane reaches nodes through the kubelet. The official docs on control plane to node communication explain the secure channels.

What is the best order to read these?

Start with Components and Cluster Architecture, then Nodes, Control Plane-Node Communication and Pods, then an explainer to see a request flow end to end.

What changed on this page?

All 9 original resources are kept and grouped into official documentation and explainers.

Are the links checked?

Links were checked when this page was updated and all of them loaded.

Which Kubernetes components are being deprecated?

The v1.37 release notes say no new kube-dns packages are expected after v1.40, so users should plan to move to CoreDNS. The ipvs mode of kube-proxy is expected to be disabled by default by v1.40 and removed by v1.43. Support for cgroup v1 is planned for removal in a future release, and since v1.35 the failCgroupV1 setting has defaulted to true.