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Packet Loss: Difference between revisions
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→What is Packet Loss?
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However, with a packet based system, when a link gets full you start with a queue of packets waiting to go down the link (adding delay) and ultimately you drop packets. That means the packets are thrown away. This can, and does, happen at any bottleneck anywhere in the Internet. The most likely being where the Internet connects to your Internet connection and create a bottleneck.
[[File:CQM1.png]]
The example above show a line with occasional short uploads causing spikes in peak latency, and then a sustained upload starting at around 6pm and causing high latency (queue in the router). At 8pm there was more upload filling the link causing higher latency still and some loss (normal when the link is full). This is normal.
==So packet loss is normal. It is what happens when a link is full.==
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