LAN bandwidth managers can help you distribute upstream capacity, but they can?t control airlink use -- doing that requires support within the access point itself. Wireless LAN Switching companies like Trapeze Networks and Aruba Networks plan to offer AP-based flow classification and class of service features.
The IEEE 802.11e task group is working on a new standard that will define MAC-layer enhancements to control quality of service in 802.11 wireless LANs. These extensions will eventually provide built-in airlink support for latency-sensitive applications like voice and video over wireless.
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