TP-Link EAP115 EAP Controller 2.4.X User Guide - Page 54

AP EDCA Parameters, the defaults.

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3. Click AP EDCA Parameters and the following page will appear. AP EDCA parameters affect traffic flowing from the EAP device to the client station. We recommend you use the defaults. Queue Queue displays the transmission queue. By default, the priority from high to low is Data 0, Data 1, Data 2, and Data 3. The priority may be changed if you reset the EDCA parameters. Data 0 (Voice)-Highest priority queue, minimum delay. Time-sensitive data such as VoIP and streaming media are automatically sent to this queue. Data 1 (Video)-High priority queue, minimum delay. Time-sensitive video data is automatically sent to this queue. Data 2 (Best Effort)-Medium priority queue, medium throughput and delay. Most traditional IP data is sent to this queue. Data 3 (Background)-Lowest priority queue, high throughput. Bulk data that requires maximum throughput and is not time-sensitive is sent to this queue (FTP data, for example). Arbitration Inter-Frame Space A wait time for data frames. The wait time is measured in slots. Valid values for Arbitration Inter-Frame Space are from 0 to 15. Minimum Contention Window A list to the algorithm that determines the initial random backoff wait time (window) for retry of a transmission. This value can not be higher than the value for the Maximum Contention Window. Maximum Contention Window The upper limit (in milliseconds) for the doubling of the random backoff value. This doubling continues until either the data frame is sent or the Maximum Contention Window size is reached. This value must be higher than the value for the Minimum Contention Window. Maximum Burst Maximum Burst specifies the maximum burst length allowed for packet bursts on the wireless network. A packet burst is a collection of multiple frames transmitted without header information. The decreased overhead results in higher throughput and better performance. 49

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49
3. Click
AP EDCA Parameters
and the following page will appear. AP EDCA parameters
affect traffic flowing from the EAP device to the client station. We recommend you use
the defaults.
Queue
Queue
displays the transmission queue. By default, the priority from high to low
is Data 0, Data 1, Data 2, and Data 3. The priority may be changed if you reset the
EDCA parameters.
Data 0 (Voice)
—Highest priority queue, minimum delay. Time-sensitive data
such as VoIP and streaming media are automatically sent to this queue.
Data 1 (Video)
—High priority queue, minimum delay. Time-sensitive video data
is automatically sent to this queue.
Data 2 (Best Effort)
—Medium priority queue, medium throughput and delay.
Most traditional IP data is sent to this queue.
Data 3 (Background)
—Lowest priority queue, high throughput. Bulk data that
requires maximum throughput and is not time-sensitive is sent to this queue (FTP
data, for example).
Arbitration Inter-Frame
Space
A wait time for data frames. The wait time is measured in slots. Valid values for
Arbitration Inter-Frame Space
are from 0 to 15.
Minimum Contention
Window
A list to the algorithm that determines the initial random backoff wait time
(window) for retry of a transmission.
This value can not be higher than the value for the
Maximum Contention
Window
.
Maximum Contention
Window
The upper limit (in milliseconds) for the doubling of the random backoff value.
This doubling continues until either the data frame is sent or the Maximum
Contention Window size is reached.
This value must be higher than the value for the
Minimum Contention Window
.
Maximum Burst
Maximum Burst
specifies the maximum burst length allowed for packet
bursts on the wireless network. A packet burst is a collection of multiple frames
transmitted without header information. The decreased overhead results in
higher throughput and better performance.