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Null data frames are a special but important type of frames in IEEE 802.11 WLANs. They are widely used in 802.11 WLANs for control purposes such as power management, channel scanning, and association keeping alive. The wide applications of null data frames come from their salient features such as lightweight frame format and implementation flexibility. However, such features can be taken advantage...
This paper aims at studying two main solutions to digital identity management, Cardspace from Microsoft and Liberty from Liberty Alliance Project, and the problem of interoperability between them in a heterogeneous environment. It also proposes some recommendations for implementing the interoperability at some given levels.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.