Cilium is far more than eBPF observability — a full Kubernetes CNI that replaces kube-proxy, enforces identity-based network policy, peers BGP, meshes services, and load-balances in hardware. How it works and how to run it as your networking layer.
Cni
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Cilium as a Full CNI: Beyond Observability -
Kubernetes Networking Internals: kube-proxy, iptables vs eBPF, CNI Plugins, and DNS A deep dive into how Kubernetes networking actually works — the pod network model, kube-proxy and Service implementation, iptables vs eBPF data planes, CNI plugin comparison, and CoreDNS resolution internals.