Moin!

On 30 Oct 2019, at 1:37, Watson Ladd wrote:
> The root zone is data: whether one distributes it via DoT, DoH, IPv6, or
> carrier pigeon is irrelevant to the policies that goven what's in it. And
> furthermore none of the network engineering issues raised against DoH apply
> to recursive to authoritative.
>
> We absolutely can engineer reliable anycast clusters to handle 100,000
> queries a second. That's only 100 cores if each core can do 1000 queries a
> second.
We can and I don’t think Jim questioned that it is technically possible. But
someone has to pay for it and there are layer 9 problems. At some parts of
the DNS infrastructure the margins are thin and increasing your server load
or server foot print for ADoT might be the difference between making a profit
or a loss.

> Akamai handles a substantially greater  volume of considerably more
> expensive HTTPS traffic: the DNS queries are part of the HTTPS.
That is true, but we also have way more servers for HTTPS then for DNS, and
while I don’t want to see DNS traffic inside the same channel that delivers
content for various reason that for sure won’t happen with ADoT as we are
talking about a resolver and not and end client issuing the queries.

> Encryption at the root is very possible.
It for sure is, but it’s not as easy and I see the root probably being one
of the latest adopters of ADoT. In general that does not matter. We have
to design a protocol first and then maybe look at the special cases some
part of the tree might have.

So long
-Ralf
—--
Ralf Weber

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