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The CoDel queue management algorithmThe CoDel queue management algorithmPosted May 13, 2012 21:29 UTC (Sun) by dlang (✭ supporter ✭, #313)In reply to: The CoDel queue management algorithm by cesarb Parent article: The CoDel queue management algorithm
An algorithm may work well with a wide variety of link speeds, as long as the link speed remains relatively stable over time.
but when the link speed changes too drastically in too short a time the queue size that was right for the old size is going to be too large (or too small) for the new rate.
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The CoDel queue management algorithm Posted May 19, 2012 7:23 UTC (Sat) by Tobu (subscriber, #24111) [Link] Looking at figure 7 in the ACM queue article, showing a wireless simulation with varying bandwidth, a 50Mb/s->1Mb/s transition takes about 20s to get the delays back under 200ms. If there's an intermediate bandwidth stepping, resorbing the queue is quicker.
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