Do you use redundancy in your solutions? As far as mission critical applications are concerned, our customers' answer is usually yes. Redundant D2000 application servers, redundant LANs, redundant archives, communication processes and communication routes - depending on the nature of the application, they use some or all of the redundancy types supported by the application server D2000.
This is a companion discussion topic for the original entry at https://d2000.ipesoft.com/blog/redundant-postgresql-and-its-monitoring/