As businesses become globally distributed, business applications are more dependent on the WAN than ever before. While WAN capacity is abundant and inexpensive, negative characteristics of the WAN ...

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 ...