Accessing a Standby System like Oracle Dataguard or Dbvisit Standby via Transparent Application Failover (TAF) is a standard approach. It works well. Without any obvious hints. But what, if the customer tells you, that the clients used are only able to work with one SINGLE IP ADDRESS? And if there are hundreds of devices. What do you do, in case of a switch- or failover? Reconfigure all of them within minutes? First idea: rename the…