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I was simulating TCP used by dailymotion.com, and I noticed that when I increased packet error rate, the consumed BW was increased. How?
Errors in transmission are detected in TCP layer.
The receiving TCP layer discards the damaged segment, forcing the sender to sent the segment again.
TCP is a reliable transport protocol, and it will request missing segments to be resent. The segments get sent, get lost or corrupted, and resent. This causes more data to be sent.
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