Hi Christoph,

We are currently using a combination of the following mechanisms to
provide HA (and these have been accepted by several carriers):

1) We do DNS based failover between locations according to RFC3263
(Locating SIP-Servers). E.g. if a server or datacenter goes down, the
I-CSCF would re-route the traffic to the other server or datacenter
2) We run the S-CSCF as Active/Passive Node, where we restart Kamailio
on the Passive node in case of single-node failure.

Nothing spectacular I guess, but it works for us.


2018-02-20 6:54 GMT+01:00 Valentin Christoph <christoph.valen...@kapsch.net>:
> Hi Carsten,
>>>> that Kamailio's S-CSCF-Usrloc does not support DB-Realtime like the 
>>>> "usual" usrloc module does.
> Just being curious:
> If high availability is not supported this way by the S-CSCF-Usrloc, then 
> what is your plan how to support high availability?
> Thanks for any hints,
> Christoph
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Carsten Bock
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