On killing IPv6 transition mechanisms

[Ron Broersma]

On Mar 16, 2010, at 8:33 AM, Pete French wrote:

> BTW, I belive there is some kind of issue with how OSX resolves names
> with bot an A and an AAAA record. I have a feeling that it makes two
> requests, but only uses the one which comes back first or something
> along those lines... Certainly I use Ipv6 on OSx all the time for my
> work, and one of the annoyances is that an IPv6-only website which was
> previously accessible can suddenly vanish as far as Safari is
> concered. Quitting the app and disabling-the-reenabling wifi makes it
> appear again.

The brokenness you describe appeared in 10.6 (Snow Leopard).  See http://openradar.appspot.com/7333104 for some details.

--Ron

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