Reducing Handoff Delay in WLAN Using Selective Proactive Context Caching

In IEEE 802.11 wireless networks, continuous connectivity which allows user mobility and maintains network utilization is one of the most important requirements. In order to establish and keep service state information during the handoff process, the context transfer protocol is used to transfer service state from the originally associated base station to another base station. These base stations exchange messages to establish a secure channel between the APs for transmitting the STA context information. The entire process, however, inevitably increases the overall handoff latency.
Provided by: University of Maine at Presque Isle Topic: Networking Date Added: Jun 2010 Format: PDF

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