[gtld-tech] Svelte CZDS zone files?

Eduardo Alvarez eduardo.alvarez at icann.org
Tue Sep 13 03:09:26 UTC 2022

Thank you Viktor and Jothan, 


We are currently working on other functional aspects of the system, but we will take note of these suggestions for the team to consider implementing into CZDS in the future.


Best regards,

--Eduardo A.



From: gtld-tech <gtld-tech-bounces at icann.org> on behalf of Jothan Frakes via gtld-tech <gtld-tech at icann.org>
Reply-To: Jothan Frakes <jothan at gmail.com>
Date: Monday, September 12, 2022 at 1:48 PM
To: "gtld-tech at icann.org" <gtld-tech at icann.org>, Viktor Dukhovni <ietf-dane at dukhovni.org>
Subject: Re: [gtld-tech] Svelte CZDS zone files?


diffs/deltas might also be a nice thing as well to slim up the bandwidth / storage if we're operating santa's list amendment


On Mon, Sep 12, 2022 at 1:00 PM Viktor Dukhovni via gtld-tech <gtld-tech at icann.org> wrote:

It occurs to me that most CZDS users are interested primarily in the
collection of "ordinary" records present in the gTLD zone files, and
have no intention to e.g. operate secondary servers based on the
complete zone data.

In particular, the RRSIG and NSEC/NSEC3 records which can take up a
significant (perhaps dominant) fraction of the zone file size, may
be of little interest to most users.

I'd like to propose that ICANN make available a version of each gTLDs
zone file that elides the *derived* RRSIG, NSEC and NSEC3 records.
Doing this can save significant tranmission costs on the ICANN size, and
storage/processing costs on the CZDS user side.

If some users want the zone files, RRSIGs and all, those can continue to
be available.

[ Please DO NOT elide "DS" records, these are not "derived" data, signal
  which delations are signed, and typically do not take up nearly as much
  space as RRSIGs. ]

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