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Re:How bad is IPv4 address exhaustion? by djrogers on Thursday February 15, 2018 @09:53AM (#16384417)
Pedantic comment here, but NAT64 doesn’t involve any tunneling - it’s pure address translation handled by an edge box, whereas tunneling involves encapsulation.
Re:How bad is IPv4 address exhaustion? by chatmasta on Thursday February 15, 2018 @09:57AM (#16384466)
True, I should have been more precise.

Although there is technically no packet-level encapsulation, from a mathematical perspective you may consider the IPv4 bits "encapsulated" within the IPv6 bits.