Do You Need a Wireless Network?
After comparing wireless 802.11b networking to cabled network technologies, how do you decide which is best for you? A number of factors should be
A large enterprise with hundreds, or perhaps thousands, of computers will obviously need a large wired network, with LANs connected by ATM, Frame Relay, and other switched network technologies. Deciding where to use Access Points at some locations is a choice to be made by
In Chapter 24, "Other Wireless Technologies," you will find a discussion of the security implications of using a wireless network, and how encryption and authorization mechanisms can be used to make the network secure.
Some small businesses will get along just fine with an ad hoc wireless network, or one that uses an Access Point. Some will require the most stringent security requirements, using other technologies that are discussed in Chapter 24, as well as virtual private networks, covered in Chapter 50, "Virtual Private Networks (VPNs) and Tunneling."
Connecting the Wireless Network to a Wired LAN
In Chapter 19, "Introduction to Wireless Networking," you learned that you can create an
wireless network by using a collection of computers, or by using an Accent Point to
However, if you are going to connect your LAN to the Internet, an Access Point will be required to connect the LAN to the cable/DSL modem or another Internet connection.
If the wired network or broadband connection operates at a faster bandwidth (and most do today, with 100Mbps being the