Linux Kernel Networking Subsystem in Depth: From NIC Drivers, NAPI, and Ring Buffers to eBPF XDP Wire-Speed Forwarding
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Introduction: Deconstructing the Operating System's Network Lifeline In preceding chapters, we examined Layer 2 switching, Layer 3 IP subnetting, VLAN/NAT infrastructure, DNS resolution, and Layer 4 TCP/UDP fundamentals. Yet, in high-throughput system design, engineers often treat the operating sys…
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- 2026-10-21 08:44 · DEV Community — AI
Linux Kernel Networking Subsystem in Depth: From NIC Drivers, NAPI, and Ring Buffers to eBPF XDP Wire-Speed Forwarding