Method and apparatus for managing software in a network system
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United States of America Patent
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Dec 11, 2001
Grant Date -
N/A
app pub date -
May 19, 1998
filing date -
May 19, 1998
priority date (Note) -
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Abstract
A method and system for verifying and updating a software subsystem stored on a network system (NS) device is provided. A technique is provided, which verifies and corrects an altered or corrupt software subsystem in flash memory. The verification technique checks to verify that the software subsystem has not been altered since the software subsystem was originally stored on the network system (NS) device. If it has been altered, a software system generator regenerates the software system. Another technique is provided which ensures that the software subsystem in the NS device is updated properly. The latest versions of the software subsystem and corresponding software system generator are stored on a server coupled to the NS device over a network. The updated software system generator stored on the server is downloaded onto the NS device. The software subsystem is updated by invoking the updated software system generator. The software system generator generates an updated software subsystem, which replaces the software subsystem on the NS device.
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