Re: [v4v6interim] Single namespace

On 2 okt 2008, at 5:52, Andrew Sullivan wrote:

> there's a practical reason that many
> DNS-heads don't like multiple versions of the namespace: they tend to
> leak into other contexts.  Since we have experience with this
> already, it would be prudent to plan that such leaks will be part of
> any future deployment of "split-brain" approaches.

> This is bad enough in the context of corporate NATs with RFC 1918
> addresses inside, but at least one has a hope of spotting this (by
> virtue of the 1918 address itself).

If we use a well known prefix for the translator then the problem is  
no worse than in the RFC 1918 case.

> I'm pretty worried that we'll create new modes of failure
> that will be very hard to troubleshoot, because we'll have inserted a
> new device in the network whose whole purpose is to intercept DNS
> packets and change them into something else.

Nobody wants to put a device in the network that _intercepts_ DNS  
packets.
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