[gtld-tech] Svelte CZDS zone files?

Jothan Frakes jothan at gmail.com
Mon Sep 12 20:47:20 UTC 2022

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. ]
> --
>     Viktor.
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