Electrical computers and digital processing systems: interprogra – Device driver communication – Virtual device driver
Reexamination Certificate
2011-08-16
2011-08-16
Nguyen, Van H (Department: 2196)
Electrical computers and digital processing systems: interprogra
Device driver communication
Virtual device driver
C719S327000
Reexamination Certificate
active
08001553
ABSTRACT:
Described is an aggregate computer system that operates by sharing devices of networked computing machines. A consumer machine uses a real device of a producer machine as a virtual device, by coupling the real driver of the real device over the network to a virtual driver of the consumer machine. Each machine may include an aggregate device manager that manages the virtual devices, and/or an aggregate connection manager that processes communications received over at least two different types of networks. Each machine may include a virtual bus and virtual bus driver that simulates a physical connection of a remote device to that machine via a bus. Upon receiving a request to plug-in a virtual device, the consumer machines queries for information of the device, and loads a virtual driver based on the device information when received. The consumer machine may query by sending plug-and-play events to the virtual bus.
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Li Chao
Li Yang
Wang Jian
Wang LiFeng
Microsoft Corporation
Nguyen Van H
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