[jdev] XEP-0100 and roster/legacy contact list sync

Magnus Henoch mange at freemail.hu
Sat Dec 1 18:20:12 CST 2007

Magnus Henoch <mange at freemail.hu> writes:

> A random idea: if the legacy server provides some kind of versioning of
> the contact list (ICQ does), the transport could save just the last
> version/date that was synced to the Jabber roster.  If there's a newer
> version on the legacy service, the transport can just send "subscribe"
> stanzas for _all_ contacts; the user's server will weed out the ones
> that already have subscription (section 5.1.6 of RFC 3921).

This won't work for _removing_ contacts, though...

JID: legoscia at jabber.cd.chalmers.se

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