For many in the communication industry, the open system interconnect (OSI) network model is a simply a stack. But, designers shouldn't be so quick to diminish the value that the OSI model provides to ...

The processing in a network protocol that initiates and terminates a session. The session layer is layer 5 of 7 in the OSI model. See TCP/IP and OSI model. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Layers 7 through 4 are geared more to the application than the lower layers, which are designed to move packets from one place to another no matter what they contain. This top layer defines the ...