This illustration depicts two instances. The general description of the instance is described in the surrounding text. sales1 is configured with the following parameter settings in its initialization parameter file:

SERVICE=NAME=sales.us.example.com
INSTANCE_NAME=sales1
DISPATCHERS=(PROTOCOL=tcp)(DISPATCHERS=1)(LISTENER=listeners_sales)

sales2 is configured with the following parameter settings in its initialization parameter file:

SERVICE=NAME=sales.us.example.com
INSTANCE_NAME=sales2
DISPATCHERS=(PROTOCOL=tcp)(DISPATCHERS=2)(LISTENER=listeners_sales)