Techniques for establishing virtual devices

Details Techniques for establishing virtual devices Techniques for establishing virtual devices

2008-11-14

2011-11-01

Ho, Andy (Department: 2194)

Electrical computers and digital processing systems: interprogra

Data transfer between operating systems

C719S321000, C719S328000, C719S330000, C718S001000

Reexamination Certificate

active

08051432

ABSTRACT:
Techniques for establishing virtual devices are presented. A legacy control system is encapsulated as a virtual device. The virtual device is isolated within a host hardware associate with a host OS and access to and from the virtual device is authenticated and controlled by the host OS. Legacy hardware used by the legacy control system is connected to the host hardware, thereby permitting the legacy control system to continue to access the legacy hardware when the virtual device processes.

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