Some Important Networking Concepts

Before you begin, you need to cover some basics. Networking involves a number of hardware and software components that must be installed and configured. Figure 25.1 provides a useful starting point, illustrating how these components fit together to provide network connectivity.

Figure 25.1. Components of network connectivity.

Figure 25.1 illustrates a UNIX host connecting to an Ethernet network and using the TCP/IP protocols to communicate with a neighboring host. How does all this fit together? The Ethernet network provides you a foundation for communication, a way for your hosts to be ...

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