Unitrends Enterprise Backup(tm) protects by bridging virtual, physical, and cloud. Unitrends has provided next-generation enterprise-class data protection to thousands of customers. The physical appliances for backup, archiving, instant recovery, and DR come with a no licensing policy. Also with Unitrends Enterprise Backup(tm) they are offering a software-only solution available as a virtual appliance for Microsoft Hyper-V and VMware vSphere that goes beyond virtualization. No longer do you have to learn and manage two or more separate products to protect your virtual and physical infrastructure and extend that data protection to the cloud.
These appliances have a "personality" that allows each to perform either on-premise backup, off-premise disaster recovery, or through a technology known as cross-vaulting (a form of replication) an appliance may concurrently perform on-premise backup and off-premise disaster recovery. Unitrends also offers a multi-tenant public cloud based service that the company calls "Vault2Cloud."