Sony VGN-FE570G - Manual (Page 59)

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Using Your VAIO Computer
Communicating without an Access Point (Ad-hoc)
An ad-hoc network is a network in which a local network is created only by the wireless devices themselves, with no other
central controller or Access Point. Each device communicates directly with other devices in the network. You can set up an
ad-hoc network easily at home.