Classifying Networks by Function
Networks can be classified according to a number of different characteristics. They can differ based on location, and they can differ in the security relationship that the computers have with another. These are not the only ways networks can differ, but they are commonly used distinctions. In this section, the distance factor is examined in a discussion of LANs and WANs. After examining LANs and WANs, you will take a closer look at defining networks by security relationships in the “Defining Network Architectures” section.
If you survey networking books, you will find that the distinction between a local area network (LAN) and a wide area network (WAN) differs from one text to the next. In some ...