Tài liệu Sybex OCA Oracle 10g Administration I Study Guide phần 5

The Transparent Application Failover (TAF) feature is a runtime failover for high-availability
environments, such as Oracle Real Application Clusters. TAF fails over and reestablishes
application-to-service connections. It enables client applications to automatically reconnect
to the database if the connection fails and, optionally, resume a SELECT statement that was
in progress. The reconnection happens automatically from the OCI library.
The following code shows an example of the tnsnames.ora file setup for using Transparent
Application Failover