[jdev] last presence confusion
Maciek Niedzielski
machekku at uaznia.net
Fri Jan 25 09:06:33 CST 2008
On Sat, Dec 22, 2007 at 12:23:38PM -0800, Justin Karneges wrote:
> On Thursday 20 December 2007 2:52 pm, Peter Saint-Andre wrote:
> > 2. Else, if the contact has no available resources, the server MUST
> > either (1) reply to the presence probe by sending to the user the
> > full XML of the last presence stanza of type "unavailable"
> > received by the server from the contact, or (2) not reply at all.
> > So a nice server will return the last unavailable presence information
> > (with a Delayed Delivery flag), thus obviating the need for a flood of
> > jabber:iq:last requests.
> How about emphasizing the first option as a SHOULD? This would hopefully
> encourage new servers to always reply, while not causing existing servers to
> become non-compliant.
On the other hand, usually just 1/3 of my roster is online. So if server
starts sending presence for all contacts, initial "presence flood" from
the server increases 3 times.
--
Maciek Niedzielski
xmpp:machekku at uaznia.net
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