WHAT IS WMM OR WI-FI MULTIMEDIA


WMM manages the preference of audio, video, and voice, over other applications which are less time critical. Using QoS (Quality of Service) Wi-Fi Multi-Media (WMM) ensures that the applications that require better output and production are compressed in lines with higher preference. For example, video and audio forms are given more top choice over applications.
In this way, in a phone conversation, you are less likely to hear delays. Watching the video, you are more likely to see smooth action. It delays other network traffic of a less critical nature such as downloading large files where a small time delay is acceptable.
Wi-Fi Multimedia (WMM), previously known as Wireless Multimedia Extensions (WME), is a subset of the 802.11e wireless LAN (WLAN) specification that enhances the quality of service (QoS) on a network by prioritizing data packets according to four categories. You can also get the brief information on netgear prosafe WNDAP660 access points from the blog here.

WMM defines the following four queues:
Voice -The highest priority queue with minimum lag, which makes it ideal for applications such as voice over IP (VoIP) and streaming media.
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Background -Low priority queue with high throughput. Applications, such as FTP that are not time-sensitive, but require high throughout can use this queue.
Video -The second highest priority queue with low delay is given to this queue. Video applications are routed to this queue.
Best Effort -The medium priority queue with medium delay is given to this queue. Most standard IP applications use this queue.
WMM does not provide confirmed throughput -WMM is a set of the IEEE 802.11e type. An example of WMM is WC7520 Controller. WMM differs from the advanced QoS feature in other products used by system administrators in that QoS allows high or low advantages to be appointed to any traffic, not just too audio, video, or voice.
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Power Save:
Wi-Fi Multimedia on http www routerlogin net also emphasizes a Power Save authorization that supports small devices on a network preserve battery cycle. Power Save permits small devices, such as phones and PDAs, to transmit data while in a low-power napping status. The Wi-Fi League has added Power Save Certification to the WMM term.  Power Save uses tools from 802.11e and provision 802.11, to save power for battery-powered equipment and fine-tune power consumption.






This feature of WMM to save power might cause disconnects under certain conditions.


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