On Thu, Apr 24, 2025 at 04:05:22AM +0200,
 Peter Thomassen <[email protected]> wrote 
 a message of 40 lines which said:

> - I assume the transmission will contain the TTL as decremented in
> the sending peer's cache.

The idea is to send the data immediately (less than one second) after
receving it.

> - A resolver might learn that a record is gone before the TTL
> expires, e.g., when it does prefetch and receives a negative
> response. For insecure zones, (how) do you imagine this to be
> shared? (Perhaps with TTL=0 and empty rdata?)

Interesting improvment but I have currently no idea.

> - Like Paul, I was also thinking of a long-lived IXFR-style
> stream. RRset deletions also needs to be signaled, but SOA records
> used in IXFR are not available. (TTL=0 and empty rdata might work
> as well.) Perhaps finally a use for another CLASS!

And I thought that my idea of a C-DNS feed over TLS was too
complicated :-)

> - As for multicast over an encrypted channel, I'm not sure how that
> would work given that usually a Diffie-Hellman exchange or similar
> would be included (which is p2p-specific).

We were not thinking of using an encrypted channel for multicast. TSIG
enforces authentication and integrity, confidentiality is a nice plus
but not necessary for this protocol (except may be the issue of the
question section).


_______________________________________________
DNSOP mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to