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favouring small packets, main change: DoS vulnerability
small packet attacks push out larger packets
leaving most small packets to attack the next queue
& the next, & the next



DoS vulnerability similar to that of drop tail queues
AQM was partly about not locking-out large packets*
shouldn’t add lock-out back again in the AQM algorithm
* not stated and not a motivation according to at least one author (Floyd)
PPT Version