[OpenSIPS-Users] A Dynamic List of Gateways
shaahin.madani at gmail.com
Fri Aug 31 04:55:08 CEST 2012
Thanks for the helpful replies. Presently, the list of gateways cannot be
retrieved using a direct query on the external database, and hence I need
the Perl script to act as the middle-ware too. Some changes in the external
database may fix this, and then I would be able to use the avops module as
Ali suggested, but I need to first thoroughly study all the consequences ...
Regarding the bottleneck issue, I don't see any way that I can avoid the
queries (or Perl). In case it turns out to be a real bottleneck, then is
there any way to go around it, or will I actually be hitting an OpenSIPS
P.S. [to Ali and Rudy]: It's "Shaahin", not "Shaheen" :-)
On Fri, Aug 31, 2012 at 2:03 AM, Rudy <rudy at dynamicpacket.com> wrote:
> Any complex logic, perl, sql or otherwise can impact performance and
> create a bottleneck. Regarding the perl module in particular, I can
> tell you that it works pretty well.
> Thanks in advance,
> Dynamic Packet
> Toll-Free: 888.929.VOIP ( 8647 )
> On Thu, Aug 30, 2012 at 11:58 AM, Brett Nemeroff <brett at nemeroff.com>
> > If you can sum up the logic in an SQL query I'd recommend doing that. If
> > can cache the results in memcache, even better. Just keep in mind that
> > complicated logic can serve as a significant bottleneck. Depending on
> > traffic load, that may or may not be an issue.
> > I know there are a few recommendations for the perl module here, but I'm
> > sure of the status of the module and if it's actively maintained. I'd
> > to hear from others about their own experiences using it. I haven't used
> > myself in maybe 6 years or so.
> > -Brett
> > On Thu, Aug 30, 2012 at 9:09 AM, Shaahin Madani <
> shaahin.madani at gmail.com>
> > wrote:
> >> Hi Bogdan and Brett,
> >> Thanks for your replies. The issue here is that my OpenSIPS simply does
> >> not have the list of gateways, that is the gateways are *not* available
> >> the dr_gateways table. For every INVITE request, the list of gateways
> >> be dynamically built, and only afterwards the actual dynamic routing can
> >> take place. The logic behind building the list of gateways relies on a
> >> totally separate database.
> >> To sum it up, I would say the desired scenario would resemble the steps
> >> below:
> >> 1) OpenSIPS receives an INVITE
> >> 2) OpenSIPS asks an external system (e.g. the Perl script) for the
> >> gateways available for this specific INVITE request
> >> 3) A list of gateways is returned to OpenSIPS (based on some black-box
> >> logic)
> >> 4) OpenSIPS dynamically routes the INVITE to the specified gateways,
> >> prioritising based on cost, time, or ...
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