Refining Core Development Skills
May 27, 2021 · Fundamentals
Deep Dive into Linux Localhost Network I/O: Kernel-Level Packet Transmission and Reception on 127.0.0.1
This article provides a comprehensive analysis of the Linux kernel's handling of localhost network I/O, detailing how packets destined for 127.0.0.1 bypass physical network interfaces, traverse the routing table, and utilize the loopback virtual device and soft interrupts for efficient intra-machine communication.
Kernel RoutingLoopback InterfaceOS internals
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