April 2011
Intermediate to advanced
368 pages
11h 36m
English
Content preview from Secure Roaming in 802.11 Networks
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Practical Aspects of Basic 802.11 Roaming
It is important to recognize that the algorithm that we just sketched only pertains to those
cases where the AP actively transmits beacons. For those cases where the AP does not
beacon, only active scanning will be useful, thereby rendering SyncScan irrelevant. For this
algorithm to work well in an environment with a large number of access points, it is important
that some other criterion such as minimum security level or QoS capabilities be used to help
winnow the list of APs from all APs that are beaconing to a smaller list of APs that are truly
viable roaming candidates. SyncScan represents an interesting ...
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