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A comment on Reddit.com appears to be having an outage. Parent comment

Re:Reddit.com appears to be having an outage by ilyt on Monday June 12, 2023 @01:28PM (#36297410)
Not really. For example cable internet (and ADSL) goes thru cable (shocking knowledge, I know). Cable have limited bandwidth, and as it is just a single cable, not RX/TX pair as it is for ethernet and it has limited bandwidth

Which essentially means you have X bandwidth to distribute between upstream and downstream. And it's far more profitable to sell X 40/10 Mbit connections vs selling a bunch of 25/25 Mbit ones, where most people there won't be using upload all that much.

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Re:Reddit.com appears to be having an outage by nerdbert on Tuesday June 13, 2023 @06:26PM (#36318484)
> Cable have limited bandwidth, and as it is just a single cable, not RX/TX pair as it is for ethernet and it has limited bandwidth

DOCSIS 4.0 supports 10Gb/s down and 6Gb/s up using that same coaxial cable that's been in your house for decades.

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