Re: Adding Passim as a Fedora 40 feature?

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On Fri, 2023-08-25 at 12:42 +0100, Richard Hughes wrote:
> The tl;dr: is I want to add a mDNS server that reshares the public
> firmware update metadata from the LVFS on your LAN. The idea is that
> rather than 25 users in an office downloading the same ~2MB file from
> the CDN every day, the first downloads from the CDN and the other 24
> download from the first machine. All machines still download the
> [tiny] jcat file from the CDN still so we know the SHA256 to search
> for and verify.

I realize I'm late to the conversation, but what about compressing the
metadata using zchunk, like we do for the DNF metadata?  Assuming we
keep a cache of the file locally and that changes (as a percentage of
the whole file) are minimal, this allows you to download only the
differences.  The only requirement is that the CDN supports HTTP range

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