Data Plane
posts (6)
- Kubernetes from the Inside: Cluster Architecture Basics6/7
How Kubernetes Components Work Together
One workload from kubectl apply to a running Pod, step by step through the API Server, etcd, controllers, the scheduler, the kubelet, the runtime and CNI…
- Kubernetes from the Inside: Cluster Architecture Basics5/7
DNS and CoreDNS in Kubernetes
A Pod's IP address is a poor interface for applications, because it changes. CoreDNS turns a stable name into a Service IP, and only then the datapath delivers…
- Kubernetes from the Inside: Cluster Architecture Basics4/7
Networking in Kubernetes
CNI gives Pods their addresses and connectivity, while kube-proxy or an eBPF datapath makes traffic sent to a Service's virtual address reach the right…
- Kubernetes from the Inside: Cluster Architecture Basics3/7
The Worker Node and the Data Plane
The control plane decides, but the worker node executes - the kubelet looks after the Pods assigned to the machine and, through CRI, asks the container runtime…
- Kubernetes from the Inside: Cluster Architecture Basics1/7
Kubernetes Cluster Architecture
Before taking Kubernetes apart into processes, a simple map of the whole - the control plane decides and guards the state, the data plane does the work, and in…
- series · 7 parts
Kubernetes from the Inside: Cluster Architecture Basics
A series about what actually makes a Kubernetes cluster work - from kube-apiserver and etcd, through kubelet and CNI, to the managed vs self-managed choice and…