[Standards-JIG] Re: MUC presence issues

Joe Hildebrand hildjj at gmail.com
Mon Oct 9 04:02:59 UTC 2006


On Oct 8, 2006, at 5:52 AM, Ian Paterson wrote:
> Do you mean only auto-bouncing groupchat messages from JIDs that  
> have received directed presence? (If not AFAICT this would be a  
> presence leak.)

Yeah, I guess you're right here.

> In which case the servers would need to remember who I sent  
> unavailable presence to even after I go offline... So there are  
> state issues either way.

drastically less state to just hold on to the directed presence list  
for some amount of time after logout, than to hold on to all of the  
full presence packets.

> The server wouldn't need to remember directed presence stanzas I  
> send to subscribers. So, this extra state shouldn't be a problem  
> under normal usage. I guess the average number of rooms each user  
> occupies at any one time will be less than one.

Not at many of our customers.  We've been told people are often in a  
hundred rooms. (!)




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