Amazon Instant Video and NAT64/DNS64

Brian E Carpenter brian.e.carpenter at
Thu Nov 29 09:01:05 CET 2012

On 28/11/2012 21:29, Cameron Byrne wrote:
> Phillip,
> On Wed, Nov 28, 2012 at 11:41 AM, Philipp Kern
> <philipp.kern at> wrote:
>> Cameron,
>> am Wed, Nov 28, 2012 at 09:15:15AM -0800 hast du folgendes geschrieben:
>>> Just FYI on what IPv4 literals look like to IPv6 + NAT64/DNS64
>> I still wonder why we don't push the NAT64 prefix down to the clients who could
>> then do the v4 to v6 conversion themselves and appear as they are dual-stacked.
> We will.  What you described is called 464XLAT
>, and the prefix
> discovery is at

Even without that, DNS64/NAT64 in the host was always considered a possibility,
especially if you want DNSSEC to work. But as RFC 6147 says "The main drawback
of this mode is its deployability, since it requires changes in the end hosts."


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