[Users] SER in production environment

[Klaus Darilion]

Vincent Luba wrote:
>  
> 
> Hello,
> 
> We would like to use SER in a production environment and provide
> presence support to at least 5000 *online* users through a publicly
> available service.
> 
> We are particularly worried about scalability.
> 
> * How stable is the presence module?


What kind of presence do you want to use?
- End-2-End: you do not need the pa module
- server based: you do neet the pa module

the pa module is IMO not stable, and does support only certain clients.

Which clients do you want to use?

regards
klaus

> 
> * Does it support RFC3857 to allow authorization management of
> subscriptions?
> 
> * For such a big number of users, do we need several computers running
> SER?
> 
> * If so, how can we ensure that all SER servers have the required
> information to be able to send status changes to all users? Is that
> stored in a MySQL DB and if so, how is it determined which SER server
> sends the NOTIFY on state changes to all users having the user whose
> state changed in their list?
> 
> * Are there bandwidth estimations? I have the feeling that 5000 online
> users will generate many NOTIFY messages due to presence changes. 
> 
> * Is it possible to prevent MESSAGE requests to be sent following some
> piece of information found in the database? We would like to connect SER
> to a SMS service, and prevent users to send SMS'es when their credit is
> not enough. That supposes some computation in the ser.cfg file, is that
> possible?
> 
> Greetings,
> 
> Luba Vincent
> 
>  
> 
> 
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