Kubernetes Architecture Explained — Control Plane vs Worker Nodes (2026)
Ever wondered what actually runs INSIDE Kubernetes? In this episode,
we dissect every component of a K8s cluster like a surgeon.
💥 Industry Problem:
Engineers deploy to K8s without understanding what's happening under
the hood — leading to mysterious failures, poor debugging, and blind
escalations to the platform team.
✅ Solution:
A complete mental model of K8s internals: every component, its role,
and how they communicate.
📌 Components Covered:
→ API Server — the brain of K8s
→ etcd — distributed key-value store (the memory)
→ Scheduler — the traffic controller
→ Controller Manager — the autopilot
→ kubelet — the node agent
→ kube-proxy — networking rules
→ Container Runtime (containerd/CRI-O)
#KubernetesArchitecture #ControlPlane #etcd #Kubelet #DevOps #K8s #CloudNative #SRE #PlatformEngineering #KubernetesInternals
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