Failover in this scenario would require instant, 100% replication of a near-zero latency system. I'm no expert, but I'm fairly sure having trades 'disappear' o

Failover in this scenario would require instant, 100% replication of a near-zero latency system. I'm no expert, but I'm fairly sure having trades 'disappear' or any other loss of consistency would be worse than downtime in this case.