Dave Cridland wrote:
So currently, a NAT provides:
- A degree of de-facto firewalling for everyone.
- An immunity to renumbering for enterprises.
- Fully automated network routing for ISPs.
If technologies could be introduced to tackle especially the last two, I
think the advantages of NATs would vanish.
It is not necessary to make NAT vanish.
Let people satisfied with legacy NAT keep using it.
The point is to keep offering the end to end transparency of IPv4
Internet to people who want it even if IPv4 address is mostly
consumed.
Masataka Ohta
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