A virtual data room (VDR) is a secure online platform that lets you share documents with various parties during M&A due diligence and other financial transactions. VDRs offer a broad array of features which make them more valuable to dealmakers than cloud storage applications and other document sharing tools. They also concentrate on security, making them an ideal option for sensitive business data than consumer cloud services with only a few security features.

Storage virtualization is a software abstraction layer that acts as a bridge between physical storage devices, and applications. It allows for more flexible and efficient storage resource usage by reducing the requirement for hardware redundancy, simplifying data migrations, and streamlining more advanced management functions like snapshots and replicas. It can also reduce expenses by removing the requirement to forecast future storage needs, pay for all needed capacity in advance or purchase and maintain multiple appliances to keep pace with growth.

The most commonly used virtualized storage is network-based virtualization. It offers a pool of storage to applications and servers via the network, such as disks within a Fibre Channel storage area network (SAN) or Internet Small Computer System Interface storage area network (iSCSI). It uses redundant arrays of independent disks technology (RAID) to improve performance and protect data in the event that a single drive fails. However, the exact physical location of the disk as well as the hardware used are hidden from the application and users.

Storage virtualization using arrays is the next step. A storage controller can be used to consolidate storage from multiple arrays into a single pool and then present it to applications. This allows enterprises to use more efficient storage tiers, which can include solid-state drives and hard disk drives with different capacities, and conceal the physical location of these different kinds of storage from both servers and users.

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