On 12Feb15, George Michaelson allegedly wrote:
> 
> we've got two agencies who do DNS, and probably have > 20% worldwide
> eyeball share in DNS (I don't know, thats a guesstimate) now doing
> edns0_client_subnet albiet with whitelist, so its a permit-list, but its
> functionally 'there'

Whitelists are my biggest bugbear actually. All my other comments are
nice-to-haves. I hear that Google now adaptively whitelist which is a
nice strategy but I'd really like to see the whitelist approach
deprecated as much as possible. (And yes, I understand MarkA's stats
that show some small percentage of auth queries will break).

I've been in other conversations lately where it was all about how do
we get "pick some larger resolver" to whitelist us? We all know that
doesn't scale. So interest appears to be growing.

> Its probably already more widely deployed than IPv6...

On the auth side I think you're right. It's the client side that's the
missing link. But this is a classic alignment-of-interest problem. The
relatively small number of auths who care implement, but there is
little incentive on the resolver side.


Mark.

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