[Serusers] Question regarding PA snapshot

[Dave]

Thank you. This explains a lot. I'll start
implementing presence. BTW, is there any doc that
explains difference between 0.9.6 and the CVS SER?

Dave
--- Vaclav Kubart <vaclav.kubart at iptel.org> wrote:

> Hi,
> reply inline...
> 
> > Hi, I downloaded the Presence (PA) snapshot 4.1
> and
> > after hours trying to make it work with my OLD
> > SER0.9.6 ser.cfg file, I realized the following:
> > 1) The PA snapshot works with the example ser.cfg
> > provided in the distribution
> > 2) The PA snapshot is "different" from 0.9.6 in
> terms
> > of DB schema, API's, etc. e.g. there is no "alias"
> > table, subscriber has been renamed to "customer",
> etc.
> 
> Right, like the CVS version of SER. (But presence
> snapshot is older than
> CVS version and thus may differ from it.)
> 
> > 
> > My questions:
> > 1) Is the PA snapshot meant to run on a separate
> > server handling only SUBSCRIBE, PUBLISH and
> MESSAGE
> > which are to forwarded by the main SER PROXY?
> 
> Might be, but it is not a necessity. It is
> recommended because: 
>  a) presence needs lots of shared memory
>  b) presence modules are not as stable as other SER
> parts, thus if
>  presence server dies, the "voice"/proxy can still
> work
> 
> But you can write the same proxy-config for presence
> snapshot as for
> SER's CVS version (you can't use config for older
> SER versions like
> 0.9.6).
> 
> > 2) Can I use my ser 0.9.6 proxy and forward all
> SUB,
> > MESSAGE and PUBLISH to a different server running
> the
> > PA snapshot?
> > 
> > If yes, Do the two servers (SER 0.9.6 and PA 4.1)
> need
> > to share the SER database or each will run it's
> own DB
> > schema?
> 
> If you run SER 0.9.6 and if it has other database
> than schema presence
> server, don't use the same database for them. But
> you need to have there
> the same users, domains etc. (You can leave
> authentication/authorization
> on the proxy and in this case you need not share
> user database and you
> can use configuration "without DB" on presence
> server - but this depends
> on your needs.)
> 
> > 3) It seems that I cannot run my  ser.cfg SER
> PROXY
> > script on the PA 4.1 snapshot due to database and
> api
> > issues. Does this mean that I need to modify my
> > ser.cfg that does proxying to fit with the PA 4.1
> > api/database in order to use presence?
> 
> You can't use old SER config for new SER versions
> (like presence
> snapshot or CVS version) - there were lots of
> changes.
> 
> You can modify your proxy config to satisfy PA 4.1
> needs and then you
> can use it with presence together.
> 
> 	Vaclav
> 


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