Usage of a virtual unit

Details Usage of a virtual unit Usage of a virtual unit

2011-08-09

2011-08-09

Jarrett, Ryan A (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Plural processors

C700S020000

Reexamination Certificate

active

07996094

ABSTRACT:
Problems can occur when a controller is limited in ownership to one process. To minimize these problems, phantom Units can be used that are direct replicas of actual Units. Thus, multiple processes can own a single controller—one process can own the actual Unit while another process owns the virtual controller. At an appropriate time, such as when the actual Unit is no longer owned, bindings with the phantom Unit can transfer to the actual Unit.

REFERENCES:
patent: 6049853 (2000-04-01), Kingsbury et al.
patent: 6314453 (2001-11-01), Hao et al.
patent: 6850953 (2005-02-01), Deshpande et al.
patent: 2003/0036809 (2003-02-01), Landman et al.
patent: 2005/0251785 (2005-11-01), Vertes et al.

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