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Friday, October 20, 2006

VirtualWifi: Connect to Multiple Networks Simultaneously

Microsoft Research has an amazing piece of software called VirtualWifi.
It abstracts a single WLAN card to appear as multiple virtual WLAN cards to the user. The user can then configure each virtual card to connect to a different wireless network. Therefore, VirtualWiFi allows a user to simultaneously connect his machine to multiple wireless networks using just one WLAN card.
Very, very cool. Even cooler, the source code is available too. VirtualWifi can also be used for more technical purposes to diagnose wireless failures, implement something called orthogonal channels that increases the capacity of a given network, or for fault diagnosis and recovery.



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