4 ms·

Because NAT is a hack to cope with IPv4 address space exhaustion. The main benefit of using IPv6 is that it allows you to get rid of NAT.

• nickodell 11y ago
  That might be, but it's a hack that works pretty well on a lot of real-world systems.
  • simoncion 11y ago
    If you think that, you've not read the details of any NAT traversal schemes that aren't uPnP.