You can see this effect by going to fast.com.
Using my smartphone, it induces and measures > 700ms latency on my cable modem connection. That’s worse than old-fashioned high-orbit satellite internet!
Using my smartphone, it induces and measures > 700ms latency on my cable modem connection. That’s worse than old-fashioned high-orbit satellite internet!
That is wrong. A single client can saturate the connection easily (eg. while downloading a software update or uploading a photo you just took to the cloud). Once the buffers are full, all other simultaneous connections suffer from a multi-second delay.
The result is that the internet becomes unusably slow as soon as you start uploading a file.