WMM-Admission Control uses bandwidth management tools that complement the QoS applications introduced by WMM. WMM-Admission Control enables Wi-Fi networks to manage traffic not only on the basis of the type of traffic (voice, video, best effort data, or background data) as allowed by WMM, but also taking into account network load and channel conditions.
With WMM-Admission Control, the access point (AP) in a Wi-Fi network admits only the traffic streams it can support based on the available network resources. Users can confidently use voice applications knowing the quality of traffic stream will be consistently high and will provide the reliability needed to host real-time applications in Wi-Fi networks. When the network resources are not sufficient to provide this level of performance, the new traffic stream is not admitted, allowing the client device to seek association with an alternative AP that has sufficient network resources to support the traffic stream, and preserving the quality of already admitted traffic streams.
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