6.033, Spring 2013. Congestion Control: The Role of the Routers. Dina Katabi nms.csail.mit.edu/~dina. Outline. No help from routers DropTail Problems with DropTail What can routers do? Examples RED ECN. TCP + DropTail. Most routers use DropTail Problems: Large average queues
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Congestion Control: The Role of the Routers
Mainly caused by drops concentration at time of overflow