Networking Models


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The three networking models that provide a framework for network communication are :

A networking model represents a common structure or protocol to accomplish communication between systems.

These models consist of layers. You can think of a layer as a step that must be completed before you can go on to the n,ext step and, ultimately, to communicate between systems.

A protocol is a formal description of messages to be exchanged and rules to be followed for two or more systems to exchange information.

  • Model = Structure
  • Layer = Function
  • Protocol = Rules