US Patent 11334446 Backup system for an overlay network

A method, apparatus, system, and computer program product for backing up data from a virtual machine. A backup service is presented by a computer system as a storage system to the virtual machine, wherein the storage system is located outside of the virtual machine. A hypervisor for the virtual machine is instructed by the computer system to present the storage system as a virtualized storage system to the virtual machine. Data is received by the computer system from the hypervisor in which the data is stored on the virtualized storage system by a backup client performing a backup operation in the virtual machine.