[Serusers] Question regarding PA snapshot

[Vaclav Kubart]

You are welcome.

I'm afraid that there is no documentation about changes (and not much
actualized documentation about anything else).

	Vaclav

On Mon, May 22, 2006 at 06:06:49AM -0700, Dave wrote:
> 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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