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Disaster recovery software is a type of program used to facilitate the preventative planning and execution of catastrophic events that have the ability to severely damage a computer, network or server. The software is often an entire suite geared toward backup and restoration operations for different applications and situations.
Disaster recovery software is often associated with Disaster Recovery as a Service (DRaaS) solutions, which are installed on servers and computers to facilitate backup, synchronization and data/file recovery.
Disaster recovery software can be viewed as a backup and restoration solution and dramatically differ, based on manufacturer.
For example, some programs are designed to work with cloud computing backup and disaster recovery solutions, while others are used for off-site remote backups, disk-to-disk or backup imaging to external storage devices. Disaster recovery software is usually used as an "always-on" monitoring watchdog that tracks all changes to protected systems and ensures backup of those changes.
In addition, it usually includes an instant recovery solution, in the event that this type of backup is required. With a cloud computing solution, an instant failover option is usually present so that if the main system is unavailable, all processes are handed to virtual machines (VM) on standby to achieve continuity.