Ways to Make the Connection

When you’re using a single computer, you use its analog modem or a broadband cable, DSL, or satellite modem to connect to your ISP as needed. To share your Internet connection on a network, you can designate one computer running Windows to make the connection, or you can use an inexpensive hardware device called a connection-sharing router or residential gateway to serve as a bridge between your network and a cable, DSL, or dial-up modem. Whichever method you choose, the designated computer or router automatically establishes the Internet connection any time anybody on your network needs it.

As an overview, Figure 19.1 shows five ways you can hook up your LAN to an Internet service provider (ISP). Throughout this ...

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