Appendix B
MORE ABOUT IP ADDRESSING
Without digging too deep into IP (Internet Protocol) addressing, we will cover the basics, as they relate to digital signage systems. As introduced in Chapter 5, an IP address consists of four three-figure groups separated by a dot, such as 162.117.114.201. The Internet is based on a number of networks and hosts (computers) within each network. This means that the IP address of a certain computer is identified by the number of the network to which it belongs and the identity of the computer itself within that specific network.
For this reason the IP addresses are divided into classes. Classes A, B, and C are used for unicasting, and class D is used for multicasting.
To separate the A, B, and C classes, different ...
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