Disaster recovery as a service (DRaaS) is a backup service that uses the cloud resources to safeguard applications and data from getting lost for any reason be it system failure or human error or natural calamity. Organizations are guaranteed of getting back all their data instantly and assured of business continuity hence it is also referred as Business Continuity as a Service (BCaaS).
DRaaS creates a second system while replicating all the cloud data and the organizations continue to perform their daily operations using the second system till such time that the primary infrastructure is repaired and functions normally. There are considerable advantages with DRaaS.
It can replicate all types of applications.
The data is replicated on various servers and is always available even at times one or more servers fails.
It is customizable. It offers complete backup services gives the clients the option to select which data they want to be saved.