(From a distant place) Currently, my Internet connection is over 5G "Mobile broadband". There is a lot to like about it, but, many ISPs use CGNAT, (for reasons of unplanning and economy), this causes high latency, fortunately, I don't play computer games where this matters. Apparently it makes many online games unplayable, without some "jiggling around". Predictably, ISPs that use CGNAT are in denial. Allegedly the problem doesn't exist if the WAN interface can be configured to use IPv6 whilst leaving the LAN side IPv4.
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