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Re: [v6ops] Request for your two cents: Pros and Cons of IPv6 Transition Technologies for IPv4aaS (464XLAT, DS-Lite, lw4o6, MAP-E, MAP-T)

Fred Baker <fredbaker.ietf@gmail.com> Wed, 19 September 2018 00:47 UTC

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From: Fred Baker <fredbaker.ietf@gmail.com>
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Date: Tue, 18 Sep 2018 20:44:28 -0400
In-Reply-To: <4ac93c8d-0919-6676-beed-8d31aacdc467@asgard.org>
Cc: v6ops@ietf.org
To: Lee Howard <Lee@asgard.org>
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Subject: Re: [v6ops] Request for your two cents: Pros and Cons of IPv6 Transition Technologies for IPv4aaS (464XLAT, DS-Lite, lw4o6, MAP-E, MAP-T)
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> On Sep 18, 2018, at 11:23 AM, Lee Howard <Lee@asgard.org> wrote:
> 
> As I think about it, Google has public DNS64 servers that return a synthesized address using the WKP 64:ff9b::/96. So you might not be required to use the ISP's DNS (if the ISP uses the WKP).

Of course, if you have an ISP-supplied DNS server that is doing the same but with a different prefix, and you're overriding to the Google server, you have a protocol failure.

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