Container Networking Deep Dive: veth-pair, Linux Bridge, iptables NAT, and Cross-Host Topology
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Introduction: The "Isolated Island" of Network Namespaces In Chapter 1 of this series, Docker Internals from First Principles: Linux Namespaces, cgroups v2, and OverlayFS Union Mounts Deep Dive , we explored how the Linux kernel uses CLONE_NEWNET to build an absolute network boundary around a proce…
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- 2026-10-21 08:31 · DEV Community — AI
Container Networking Deep Dive: veth-pair, Linux Bridge, iptables NAT, and Cross-Host Topology