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AIX Version 4.3 System Management Guide: Communications and Networks

Chapter 1. Communications and Networks Overview

This chapter presents the conceptual foundation for understanding computer networking in general. System administrators unfamiliar with general networking principles should read this chapter. Those familiar with UNIX networking may safely skip this chapter.

A network is the combination of two or more computers and the connecting links between them. A physical network is the hardware (equipment such as adapter cards, cables, concentrators, and telephone lines) that makes up the network. The software and the conceptual model make up the logical network.

This overview provides the following information on networks:

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