Before We Get to the Wireless Bit, What the Heck Is a LAN?

The chapter title says we will teach you how wireless LANs work, so it is probably a good idea to start off with a brief description of what a LAN is—nothing overly technical, just some background information that may come in handy later.

A local-area network, or LAN, is just what you think it might be, based on the name: a network connecting computers in a small or localized area. This area can be a house, a small office, or a floor of a building in a big office.

LANs form the basic building blocks of large-scale computer networks. LANs connect to other LANs to form larger corporate or institutional networks. These networks connect to larger networks that span large geographic areas. ...

Get Wireless Home Networking Simplified now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.