[dns-wg] Re: [address-policy-wg] Policy Change Request - Allow address allocations for anycast DNS operation

Hello,

{I'm copying this to the DNS wg list, since the protocol issues may probably
 be better discussed there. Hey, I *love* these [tags] :-(}

[address allocation for anycast of DNS nameservers]

Havard Eidnes <he at uninett.no> wrote:

> > ------------ snip ------------
> > "Operators providing DNS for a zone served by a number of name servers 
> > such that the total response size when including the list of 
> > nameservers for the zone is close to the UDP packet size limit may 
> 
> Hm, it's not "the UDP packet size limit", it is "the packet size limit
> for DNS over UDP without the application of EDNS.0".  I may not have
> followed things too closely, but it makes me sort of wonder why a push
towards EDNS.0 is not being advocated instead of polluting the routing
> space to compensate for people who have not yet upgraded their
> software...  Of course, people may still dream up configurations which

Isn't then the parent of those trying to do anycast suffering from those
resolvers unaware of EDNS0? In other words: what could the applicant do?

-Peter