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OSI Model

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kimschles edited this page Oct 31, 2018 · 1 revision

The Open System Interconnection (OSI) model is a 7-layer model that describes how network protocols work together to pass data back and forth between a client and server.

  • The layers are numbered from the bottom up
  • Layer 4 (transport) opens a TCP connection
  • Layer 7 is the application level where http requests are sent and responded to

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