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Re: Problems with removing NAT from a network


From: Matthew Kaufman <matthew () matthew at>
Date: Sat, 08 Jan 2011 22:39:47 -0800

On 1/8/2011 5:20 PM, Jima wrote:
On 1/7/2011 12:39 AM, Matthew Kaufman wrote:
If one end is behind a NAT64 and there is no mechanism for discovering
the NAT64's IPv6 interface prefix and mapping algorithm (and at present
there is not), there is no way to send IPv6 IP packets from the
IPv6-only host to IPv4 literal addresses (that is to say, addresses
learned via a mechanism other than DNS responses synthesized by the
DNS64 part of the NAT64 "solution") on the IPv4 Internet through said
NAT64.

While a rather inelegant solution, it just popped into my head that one could do an AAAA query for a known-value A record (i.e., under skype.com), and based on a response (if any), replace the known IP value with the IP which with one wants to connect.
 A little weird, but it's a thought.

     Jima

That's one of the proposed solutions on the list of discovery technologies, IIRC.

Matthew Kaufman


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