[arin-ppml] IPv6 Heretic thoughts

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Thu Sep 4 15:10:19 EDT 2008

On Thu, Sep 04, 2008 at 01:40:43PM -0400, Cliff Bedore wrote:
> The problem:  There is no compatibility bit in IPv6 that says I'm just
> like IPv4 but I have 96 more address bits.  Lacking this, I think the
> only way to get IPv6 going is to develop a transparent IPv6 to IPv4
> translator and convert the entire "Internet backbone" to IPv6.  If I'm
> reading stuff correctly, something like NAT64 is a good starting point
> but there is more required.  The backbone for the Internet will have to
> be IPv6, DNS will have to be IPv6 and IPv4 will be treated as IPv6 on
> the Internet and translated through the "converter box (CB)".  This
> means that the CB will have to do both translation and DNS lookups for
> the v4 hosts.  Since there are 64 bits per subnet in IPv6, there will
> never be a subnet that can't split off IPv4 addresses through the CB for
> translation.

	translation is going to be key.

	NAT64 is one choice, another is "dualstack-lite" and the one
	I'm using is  IVI.



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