Saturday, May 9, 2026

k8s CNI

Name of Cloud Provider / Distributor Default CNI Used Comment
GKE (Google) Google CNI High-performance VPC-native networking specifically for Google Cloud.
EKS (Amazon) AWS VPC CNI Assigns actual AWS VPC IP addresses to each pod for native integration.
AKS (Azure) Azure CNI Overlay High-speed networking using the Azure virtual network backbone.
minikube Kindnet Extremely lightweight; great for local dev but no NetworkPolicy support.
K3s Flannel Optimized for edge/IoT; uses Flannel (VXLAN) for minimal overhead.
Kind Kindnet Lightweight CNI built for running Kubernetes inside Docker containers.
MicroK8s Calico Robust, industry-standard networking with strong security policy features.
Rancher (RKE2) Canal A hybrid that uses Flannel for simple networking and Calico for security.
kubeadm None Provides no default; the cluster stays "NotReady" until you manually pick one.

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