Using External Backup Programs 
The SAP utilities BRBACKUP, BRARCHIVE, and BRRESTORE provide an interface that can be used to access external backup programs.
This interface can only be used if the BACKINT interface program is provided by the supplier of the external backup program.
If you use this interface, tasks are distributed as follows:

Settings:
backup_dev_type = util_file|util_file_online
util_par_file = initC11.utl
Advantages Disadvantages Companies that Support the Interface to External Backup Programs