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Last active March 5, 2022 05:35
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Networking.md

Linux/Unix Networking Concepts and Associated Rust Libraries

IPV4 Address Handling And Manipulation

Protocol Levels

  • L1 - transport layer (copper wires, waves)
  • L2 - Ethernet frames,
  • L3 - IP
  • L4 - TCP, UDP

Device Levels (analogous to protocol levels)

  • tap / veth - L2 (i.e. tap devices allow user-space processing of raw ethernet frames)
  • tun (user-space processing of raw IP packets without the ethernet headers)
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