Yes, but SMTP servers have never pretended to be
"instant". If I'm running an INSTANT messaging
server (which I am), I want the traffic to be as
lightweight as reasonable so that processing and
delivery remains as INSTANT as possible.
Well, I'm still waiting for evidence that file transfer is going to put excessive load on a Jabber server. But even so, the server could use simple quality-of-service techniques like lowering the priority of file-transfer IQ result elements to preserve the low latency of regular presence and messaging.
�Jens
