IMs and group IMs (was Re: [sldev] Frequent bugs with difficultrepros)

[Anders Arnholm]

On Wed, Mar 05, 2008 at 04:40:37AM -0500, Jason Giglio wrote:
> Anders Arnholm wrote:
>> Viewer <-> Server for IM group <-> Viewer
>> Each grops all memeber are on the same IM server, that server "quite"
>> easy, the client telle when one log's in and send an "online" subscribe
>> mesage to the IM group servers it needs. (e.g. all 50 groups of the
>> user.) Decentalized and easy solution.
> I think you just described pretty much how it is now.  The problem as I 
> understand it is when several large active groups wind up on the same 
> server.

Then the loadblanacing have to de done better.- to me is sounded like
the trine to make the "Server for IM group" into some kind of smart
cluster, a smart cluster is always hard to get correct.
I would say that about 60.000 udp packets per second in and out of
server wouldn't be to hard to get working. Thats what you would get with
the average iof one group IM per second for all concurret connectes
users. For this functionallity, (duplicating out messages to other IP's)
it should with out problesm on any half desent server, be the network
that limits traffic) I have made applicaiotns sedning about 300.000 pps
udp packets from one network card, that need's a little more trixing.

/ Balp
-- 
      o_   Anders Arnholm,               HiQ - Consultant
 o/  /\    anders at arnholm.nu             Phone  : +46-703-160969
/|_, \\    http://anders.arnholm.nu/     http://www.hiq.se
/
`
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