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Encapsulation, Decapsulation

✅ Encapsulation

Screenshot 2024-08-12 at 20 07 00

  • attach new information in the Application Layer
  • before passing onto next layers in TCP/IP

new information:

header & trailer


Why add header and trailer?

make transmission more smoother

✅ Decapsulation

  • removal of these additional data
  • only extract existing data
  • happens at Application Layer, when data arrived
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