[Users] RE: [Serusers] Scalability in presence notification

Vincent Luba vincent.luba at multitel.be
Fri Sep 9 12:35:08 CEST 2005


> -----Message d'origine-----
> De : Klaus Darilion [mailto:klaus.mailinglists at pernau.at] 
> Envoyé : vendredi 9 septembre 2005 10:29
> À : Vincent Luba
> Cc : sip-implementors at cs.columbia.edu; serusers at iptel.org; 
> users at openser.org
> Objet : Re: [Serusers] Scalability in presence notification

> simple server and high network traffic
>      vs
> complicated server and low traffic and centralized features 
> (buddy list...)

You're right in my case I'll have to use server based. 
I've performed some load tests with SER and noticed that PUBLISH & SUBSCRIBE
requests uses lot of CPU power while NOTIFY request are not that cpu

> Additionally, you also have to consider SIP implementations. 
> There are not thousands of SIP clients which supports all 
> presence modes. Some clients supports end2end, some clients 
> support server based. The same with SIP proxies.
> Conlusion. Get some clients and implement both scenarios and 
> find the one which fits your needs.

I'll be using a GnomeMeeting mod client and server based presence should be

Thank you for you information, 


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