April 2011
Intermediate to advanced
368 pages
11h 36m
English
Content preview from Secure Roaming in 802.11 Networks
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Dynamics of 802.11 Task Groups
connected via the same DS, but this situation is rarely the case. We will see later in Section 4.9
as to how 802.11r takes advantage of this infrastructure-side connection as well, in what is
called Over-the-DS (OTD) mode. As of this writing though, support for 802.11i preauthe-
ntication has been dropped from the 802.11r draft.
Preauthentication, including its limitations, will be discussed in a more detailed manner in
Chapter 7. The fact that preauthentication lessens the latency but does not really reduce it
sufficiently for reliable roaming for voice calls made this topic of great contention with regard
to the task ...
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