Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output access regulation
Reexamination Certificate
2007-02-13
2007-02-13
Nguyen, Tanh Q. (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output access regulation
C710S037000, C713S001000, C713S100000
Reexamination Certificate
active
10436240
ABSTRACT:
An input/output subsystem is configured as a plurality of input/output subsystem images, each of which appears to a program as an independent input/output subsystem. In response to an operating system image submitting an input/output (I/O) request requesting access to an input/output subsystem image, a determination is made as to whether the operating system image is authorized to access the input/output subsystem image. In response to the access being authorized, the I/O request is authorized.
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Brice, Jr. Frank W.
Carlson Scott M.
Easton Janet R.
Gainey, Jr. Charles W.
Halma Marten J.
Heslin Rothenberg Farley & & Mesiti P.C.
International Business Machines - Corporation
Nguyen Tanh Q.
Schiller, Esq. Blanche E.
Shkurko, Esq. Eugene I.
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