Cloud Native Technology Community
Nov 16, 2022 · Cloud Native
How Do Packets Travel Inside and Outside Kubernetes? A Deep Dive into Pods, Network Namespaces, and CNI
This article explains how Kubernetes forwards packets from the initial web request through container networking, covering the network model, pod creation steps, the role of the pause container, same‑node and cross‑node pod‑to‑pod traffic, service IP translation, and the underlying CNI, iptables, and conntrack mechanisms.
CNIKubernetesNetwork Namespace
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