December 2021
Beginner
550 pages
20h 33m
English
The Open Systems Interconnection (OSI) Reference Model is a theoretical model of networking with interchangeable stacked layers that can be used as a template for documenting, building, and using a network and its connected resources. The beauty of it is that you can design technology for any one of the layers without worrying about how the other layers work. You merely need to make sure that each layer knows how to talk to the layers above and below it. The OSI Reference Model defines a stack of layers, starting from the Physical Layer, at the bottom, which interacts with the physical hardware of the network infrastructure. FIGURE 5-1 shows each layer of the OSI Reference Model.
FIGURE 5-1 ...
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