IPv6 & DNS

David Barak thegameiam at yahoo.com
Fri Jun 29 17:19:05 UTC 2007

--- Barrett Lyon <blyon at blyon.com> wrote:

> I don't see any v6 glue there...  Rather than having
> conversations  
> about transition to IPv6, maybe we should be sure it
> works natively  
> first?  It's rather ironic to think that for v6 DNS
> to work an  
> incumbent legacy protocol is still required. 

Consider that Windows XP (and server 2k3) will not,
under any circumstance, send a DNS request over IPv6,
and yet they were widely considered "IPv6 compliant." 

Consider also how long it took to get a working way of
telling autoconfigured hosts about which DNS servers
to use (without manually entering 128-bit addresses).

To me, the above show that the bulk of the actual
deployments were in dual-stack or tunnel environments,
and greenfield implementations were few and far
between.  There's a surprising amount of unexplored
"here be dragons" territory in IPv6, given how long
some very smart people have been working on it.

-David Barak

David Barak
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