[OpenSIPS-News] [NEW] Dialog replication using a new core interface
liviu at opensips.org
Mon Jul 29 17:22:34 CEST 2013
OpenSIPS just got better with a /new core interface/ and a /new failover
The purpose of the new *Binary Internal Interface *is to offer a fast
and efficient communication channel between OpenSIPS instances. OpenSIPS
modules can now use this core interface to send/receive packets with
specific information. A common usage case for this feature would be data
replication between a primary instance and a backup one.
This is especially useful in scenarios with OpenSIPS instances which
handle large amounts of concurrent calls, so that failover through a
database backend is not feasible anymore due to the significant time
required in order to load the needed tables.
As an example of using the interface, the dialog module now offers the
possibility of *replicating dialogs* to another instance. The script
writer may now configure a set of proxies which will receive
dialog-related events: /creation/, /confirmation/ and /deletion/, all in
/realtime/. These messages are compact and they are sent over UDP. The
dialog module now also exports several new statistics which show the
total sent/received replication packets.
Configuring UDP listeners for the new interface is trivial and explained
in the OpenSIPS manuals .
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