Re: Proposed XMPP Extension: End-to-End Encrypted Contacts Metadata

Goffi <[email protected]> Tue, 20 Jan 2026 12:12:10 +0100

Newsgroups	gmane.network.jabber.standards-jig
Message-ID	<3400250.44csPzL39Z@tazar3>

Le mardi 20 janvier 2026, 11:56:12 heure normale d’Europe centrale Kevin Smith 
a écrit :

> I don’t think this is true. We do know that there are rosters in the wild 
that are large enough to realistically be limited by pubsub item/stanza size 
limits. I don’t like one-item-per-item at all, but I don’t think one-item-per-
roster is viable.
> 
> /K

I was hesitating to allow several <contact> elements per roster as I've said 
earlier in this thread. This has the advantage of decoupling the number of 
pubsub items from the number of contacts, and letting the client decide how 
many contacts to store in one item (which can be a full roster for small 
ones). This, in addition to the <reserved> element, would totally blur the 
number of contacts from the server.

Would this be an acceptable solution?

Best,
Goffi

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