What is Intel directed I/O virtualization Technology (VT-D)

Source: Internet
Author: User

Intel directed I/O virtualization Technology (VT-D) is an extension of Intel Virtualization Technology (VT), which provides virtualization solution assistance to the hardware. Vt-d is also adding support for I/O device virtualization on the basis of existing support for IA-32 (vt-x) and itanium® processor (vt-i) virtualization.

Intel vt-d can help users improve system security and reliability, and improve the performance of I/O devices in virtualized environments. These essentially help IT managers reduce total cost of ownership by reducing potential downtime, and increase productivity throughput by leveraging data center resources more fully.

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