(4) layer: The second layer in the
OSI Reference Model, in which packets are formed and transport is managed.
A final section presents four case studies and questions, and an appendix covers the
OSI reference model, TCP/IP architecture, and numeric conversion.
The network interface then becomes responsible for performing some or all of the functions corresponding to layers one through five of the
OSI reference model (see Figure 2).
The
OSI Reference Model provides the basis for much of what goes on in the data world.
The layers we're talking about are
OSI reference model layers.