Sending Party Network Pays in telecom world is awful. The telecom you pay has a monopoly over accessing you, so they can charge whatever they want to terminate calls/data.
Ask your parents or grandparents how expensive long distance or international calls used to be (and still are for landlines). It was dollars per minute, wholly untethered from actual costs.
That's what South Korea is doing here and it's a terrible idea
Isn't what you describe exactly how all ISPs work.
Look how cheap service can be in countries where it's cheap, then look at the USA/Canada. Neither of them have sender party networks pays yet they both increase network connection costs way beyond what's necessary since they have regional monopolies.
Basically why does a sender party network pays system lend itself to a monopoly, while rogers supporting entire businesses in Canada who have no alternative is not?
You have only one broadband company active at a time, the website you visit doesn't have a choice but to pay that company so it doesn't have any option to haggle for it. I hope you see how this creates perverse incentives.
Ask your parents or grandparents how expensive long distance or international calls used to be (and still are for landlines). It was dollars per minute, wholly untethered from actual costs.
That's what South Korea is doing here and it's a terrible idea