For Geo redundancy deployment we recommend running separate event client or consumers for each data center. Each client will connect to primary POM server running on that datacenter. The event client connected to kafka server of active datacenter will keep getting the events.
Once standby datacenter is active, the event client connected to that Kafka server will start getting the events. Note that only real-time or latest events will be available for consumer in case of POM geo redundancy deployments.