Manual:Queues - Burst: Difference between revisions

Revision as of 15:15, 13 October 2008

To understand burst it is necessary to be aware of 5 concepts:

burst-limit (NUMBER) : maximal upload/download data rate which can be reached while the burst is active
burst-time (TIME) : period of time, in seconds, over which the average data rate is calculated. (This is NOT the time of actual burst)
burst-threshold (NUMBER) : when average data rate is below this value - burst is allowed, as soon as average data rate reach this value - burst is denied. (basically this is burst on/off switch). For optimal burst behavior this value should above limit-at value and below max-limit value
average-rate (read-only) : Every 1/16 part of the burst-time, the router calculates the average data rate of each class over the last burst-time seconds.
actual-rate (read-only) : actual traffic transfer rate of the queue

@@ Line 2: / Line 2: @@
 ==Theory==
+To understand burst it is necessary to be aware of 5 concepts:
+# burst-limit (NUMBER) : maximal upload/download data rate which can be reached while the burst is active
+# burst-time (TIME) : period of time, in seconds, over which the average data rate is calculated. (This is NOT the time of actual burst)
+# burst-threshold (NUMBER) : when average data rate is below this value - burst is allowed, as soon as average data rate reach this value - burst is denied. (basically this is burst on/off switch). For optimal burst behavior this value should above limit-at value and below max-limit value
+# average-rate (read-only) : Every 1/16 part of the '''burst-time''', the router calculates the average data rate of each class over the last '''burst-time''' seconds.
+# actual-rate (read-only) : actual traffic transfer rate of the queue
-===Structure===
+==Example1==
-==Example==
 [[Image:Burst time.8.part1.JPG]]
 [[Image:Burst time.8.part2.JPG]]
+==Example2==
 [[Image:Burst time.16.part1.JPG]]