Networking / Beginners

The Presentation Layer

The presentation layer, layer 6, is getting very close to the end user.

It provides things that are commonly needed so we do not have to reimplement them in every application.

This includes stuff like standard encodings for characters (e.g., ASCII), integers (e.g., two's complement big endian) and floating point (e.g., IEEE), so that machines at either end can agree on how a stream of bits should actually be interpreted.

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In this tutorial:

  1. Layering Models
  2. The Seven Layer Model
  3. The Physical Layer
  4. The Data Link Layer
  5. The Network Layer
  6. The Transport Layer
  7. The Session Layer
  8. The Presentation Layer
  9. The Application Layer
  10. How the Layers Fit Together
  11. Why Layers and Encapsulation?
  12. The Internet Model
  13. The Link Layer
  14. Models and Protocols
  15. Comparing OSI and Internet Models