Site home page
Get alerts when Linktionary is updated
Book updates and addendums
Get info about the Encyclopedia of Networking and Telecommunicatons, 3rd edition (2001)
Download the electronic version of the Encyclopedia of Networking, 2nd edition (1996). It's free!
Contribute to this site
Electronic licensing info
Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.
The transport layer is layer 4 in the OSI protocol stack. It resides above the physical, data link, and network layers and just below the session layer. It provides a messaging service for the session layer and hides the underlying network from the upper layers. Transport services in general are discussed in the next section, "Transport Protocols and Services."
Copyright (c) 2001 Tom Sheldon and Big Sur Multimedia.