How kube-proxy Uses iptables and ipvs for Service Load Balancing in Kubernetes

This article explains the role of kube-proxy in Kubernetes service discovery and load balancing, compares its iptables and ipvs modes, and walks through real command outputs to show how traffic is routed, NAT‑ed, and balanced across multiple pods.

IPVSKubernetesiptables

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How kube-proxy Uses iptables and ipvs for Service Load Balancing in Kubernetes

Cloud Native Technology Community

Dec 21, 2020 · Cloud Native

Kubernetes Service Load Balancing at Scale with BPF and XDP

This article explains Kubernetes' core networking model, details the various Service types (PodIP, HostPort, NodePort, ExternalIP, LoadBalancer, ClusterIP), describes Cilium's eBPF/XDP implementation for high‑performance load balancing, and presents performance benchmarks and recent BPF kernel extensions.

BPFCiliumKubernetes

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Kubernetes Service Load Balancing at Scale with BPF and XDP