CITS3002 Computer Networks  
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The ISO/OSI Reference Model, continued

5. The Session Layer

is the first upper layer crucial to internetworking and manages the dialogue between end systems. Typically the session layer provides:

  • establishment and closing of connections.
  • synchronization to allow checking and recovery of data.
  • negotiation of full and half duplex communication.


CITS3002 Computer Networks, Lecture 1, Introduction to Computer Networks, p16, 28th February 2024.