OK, bad examples. On the other hand e.g. X, GitHub, Pornhub, PSN, Steam or Discord do not support IPv6.
LaggyKar
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Cake day: June 17th, 2023
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I know this is humor, but for the record this wouldn’t work. Each simultaneous TCP connection needs a unique four-tuple (source address, source port, destination address, destination port). If a lot the people behind the NAT try to connect to the same place (destination address and port) at the same time (something popular like Google, YouTube or Netflix), and their source address is the same, the source port needs to be different for each connection. So after at most 65535 connections within a short time the NAT would run out of ports and no one behind the same NAT would be able to open new connections to the same place until the NAT mapping expiries.
So you could have at most tens of thousands of people behind the same NAT, maybe even fewer to make it reliable.
What does this mean? BT.2020 already requires pure monochromatic subpixels (which you’re not gonna get with LCD), so you can’t go beyond that unless you use 4+ subpixels (in which case the extra colors will just go unused, since HDR video is delivered as BT.2020). Or is BT.2020 Pro a smaller gamut than BT.2020?
This article is the only thing I can find on Google which mentions “BT.2020 Pro”, at least in English.