Logical and physical network topologies
The first thing I’d like to talk about in networking are the topologies. As the name topologies implies, topologies have to do with the shape of a network.
Topologies come in two types. They come in logical topology and physical topologies. Physical topology refers to the actual shape or layout of the wires in a network.
The logical topology, on the other hand, refers more to how the data moves through the network. Another way of looking at this is we can say the logical topology refers to the pattern of the data flow in a network.
One of the interesting things about topologies in networks is that the same network can have one physical topology but have a different logical topology. What this means is the physical layout of the wires in the network follow one pattern, while the data moves the network in an entirely different pattern. We will actually see a couple examples of this a little bit later.
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