Answer and Explanation:
Backup control within the SAN is one which confines the backup to the SAN and does not pass it via corporate network.
Backup traffic within the SAN are easier to maintain and easily handled in contrast to the application server.
Backup in SAN is governed by such applications and mechanism which allows the easy handling of the backup traffic which is not provided by the application servers.
In case of occurrence of any failure, unlike application server, SAN provides smooth and fast migration
SAN holds data in cluster by the use of backup techniques not used in application server.
