code_junkie

Why does UDP have a length field in the header and TCP does not?

Nov 12th, 2011
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  1. +--------+--------+--------+--------+
  2. | Source Address |
  3. +--------+--------+--------+--------+
  4. | Destination Address |
  5. +--------+--------+--------+--------+
  6. | zero | PTCL | TCP Length |
  7. +--------+--------+--------+--------+
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