[JDEV] Roster vs. Presence

[Fabien Ninoles]

On Sun, Aug 12, 2001 at 11:58:44PM -0400, Paul Vet wrote:
> OK, I'm a newbie to Jabber, although I'm looking into playing around with
> developing a client.  I just want to clarify what a roster/presence is/are.
> 
> Let me make an ICQ comparison.  When I add a user to my Contact List
> (Roster?) it sends a request to that user.  If they accept, the server then
> sends me online status info (Presence?).
> 
> To do the same process in Jabber, what is necessary?  I see a <presence>
> subscribe action, and there's seperate roster stuff.  So to get the full
> functionality of a user, do I add them to the roster, then send a presence
> subsctiption request?

You have to kind of subscription request: to and from (and a third one
which is both and is as expected).  To subscriptions are jid where you
broadcast any change of your status.  From subscriptions are adresses
from which you receive status changes.

And yes, the roster is the equivalent of a contact list.

> 
> Thanks,
> Paul
> 

Fabien
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