April 2011
Intermediate to advanced
368 pages
11h 36m
English
Content preview from Secure Roaming in 802.11 Networks
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Chapter 3
mechanism that proactively informs the infrastructure of the association of an STA to that
AP. Such a signaling protocol could essentially eliminate the infrastructure routing delay
phase for local roams, in which case Figure 3.15 exaggerates the duration of the delay. An
example of how this may be accomplished is to send an XID frame into the network,
achieving a very fast layer-two MAC move.
In the event that this is a global roam using Mobile IP technology, considerably more
complexity is involved. We show this as another possible component of the infrastructure
routing delay in Figure 3.15, in which case the relatively greater amount
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