K3s v1.29+  |  Flannel v0.24+  |  Cilium v1.15+  |  Calico v3.27+  |  AWS VPC CNI v1.18+  |  Azure CNI v1.5+  |  GKE Dataplane V2 (Cilium-based)


A definitive comparison of every major Kubernetes CNI — open-source plugins (Flannel, Calico, Cilium, Weave, Antrea, Multus) and cloud-managed defaults...