Re: FYI: DNSOPS presentation

[Brian E Carpenter <brian.e.carpenter@gmail.com>]

Bill,

On 2010-04-03 05:55, bmanning@vacation.karoshi.com wrote:
> On Fri, Apr 02, 2010 at 06:09:53PM +0200, Rimi Despris wrote:
>>> Surely a better hack would be for recursive resolvers in IPv6-broken
>>> networks not to serve up AAAA records at all?
>> Agreed.
>>
>> RD
> 
> 	aren't you making the assumption that the recursive resolver is
> 	on/in the same broadcast domain as the stub which it is serving?
> 	how can you ensure that the IP reachability of the stub is "semantically
> 	simialar"** to the IP reachability of the recursive resolver?
> 
> 	the DNS has no hooks into topological reachability. 

Correct, but a hack in this area by definition can't cover all cases.

Er, much better to mend the IPv6 brokenness, of course.

   Brian

> 
> ** identical, equivalent, etc... See IDN equivalence
> 
> --bill
>