Wireless Home Networking for dummies phần 9

hai mạng tổng thể cũng như các máy tính cụ thể mà bạn sử dụng để chia sẻ kết nối Internet. Windows 98 Second Edition (SE) và các phiên bản sau của Windows cung cấp một giải pháp dựa trên phần mềm để chia sẻ một kết nối Internet qua mạng cục bộ (LAN). Tùy chọn này có sẵn cho dù bạn đang | 292 Part IV Using a Wireless Network Discovering Public Hot Spots A wide variety of people and organizations have begun to provide hot spot services ranging from individuals who have opened up their home wireless networks to neighbors and strangers to multinational telecommunications service providers who have built nation- or worldwide hot spot networks containing many hundreds of access points. There s an in-between here too. Perhaps the prototypical hot spot operator is the hip or wannabe hip urban cafe with a digital subscriber line DSL and an access point AP in the corner. In Figure 16-1 you can see a sample configuration of APs in an airport concourse which is a popular location for hot spots because of travelers downtime when waiting for flights or delays. Figure 16-1 An airport concourse is a perfect location for a hot spot using several access points. Virtually all hot spot operators use the standard for their hot spot access points we don t know of a single one anywhere in the world that uses the newer standards. This is good because the majority of wireless networking equipment in use today uses this standard. Note If your laptop or handheld computer has an network adapter in it you won t be able to connect these hot spot operator s networks. If you use equipment you should be able to connect because equipment is backward compatible with . Head to Chapter 2 for a refresher on the Wi-Fi standards. Of the myriad reasons why someone or some company might open up a hot spot location the most common that we ve seen include the following Chapter 16 Going Wireless Away from Home 293 In a spirit of community-mindedness Many hot spot operators strongly believe in the concept of a connected Internet community and they want to do their part by providing a hop-on point for friends neighbors and even passers-by to get online. As a municipal amenity Not only individuals want to .

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