![]() Computer A actually "talks" to the access point, which in turn talks to Computer B. In infrastructure mode, communication between two nodes on the network flows through the access point. ![]() The access point/router style network that I showed you in Chapter 14 is an example of using Wi-Fi in infrastructure mode, while (as you'd probably expect) peer-to-peer Wi-Fi access uses ad-hoc mode. The Wi-Fi standards specify two different configuration modes, infrastructure and ad-hoc. This gives peer-to-peer networks in some applications a great deal of power, although there's no really good way to administer a peer-to-peer network, and security remains an issue. ![]() If there are enough computers involved, an ad-hoc, or peer-to-peer network, can begin to form a kind of grid, or mesh. ![]() 165 in Chapter 13 for an example of an ad-hoc network. This arrangement is sometimes called peer-to-peer networking. Ad-hoc networking means that each computer talks to each other directly without the "supervision" of a device such as a router.
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