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UDP

Last updated Feb 26, 2022 Edit Source

User Datagram Protocol (UDP)

  1. Source Port
  2. Destination Port
  3. Length
  4. Checksum
  5. Payload

68 is usually client, 67 is usually server

For reliable networks (like local) where out-of-order protections of TCP are unnecessary, or for time sensitive applications (e.g. streams or calls) where lossy transmission at high speed is better than quality transmission at choppy speed.

Segment Format