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congestion-avoidance algorithms. Bufferbloat causes problems such as high and variable latency, network bottlenecks, and dropped packets. As a buffer becomes full of packets for one TCP stream, packets from other network flows are dropped. The buffers then take some time to drain, before the TCP
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connection ramps back up to speed and then floods the buffers again. When the bufferbloat problem is present and the network is under load, even normal web page loads can take many seconds to complete, and simple DNS queries can fail due to timeouts.
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