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High Availability Settings

Two core-configured or two edge-configured Polycom ® RealPresence ® DMA ®  systems can be set up on the same network to provide High Availability (HA) of services. Systems configured for High Availability support minimal interruption of services and greater call reliability.

The RealPresence DMA system supports two HA configurations:

Active-passive: the two RealPresence DMA systems share one set of virtual IP addresses for each enabled network interface with services assigned. If one system fails, the peer system takes over the failed system’s resources (virtual IP addresses and assigned services). All active calls are either dropped automatically or callers must manually hang up, but registration and provisioning information for endpoints is maintained in memory and shared between both systems. Once all resources are re-established on the peer system, users can call back in to the video conference without changing any call information.  

Active-active: each RealPresence DMA system has virtual IP addresses for each enabled network interface with services assigned. Both systems run concurrently and load balancing occurs between the two systems. This configuration increases throughput for media, making use of both systems so you have full capacity.

 

An active-active HA pair cannot be part of a supercluster.

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