Use of metadata for seamless updates

Details Use of metadata for seamless updates Use of metadata for seamless updates

2005-06-21

2009-10-06

Zhen, Wei Y (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Reexamination Certificate

active

07600214

ABSTRACT:
The invention provides a system and method for updating software in the CPU of a network device without interrupting the operation of the network device. The invention determines whether operating state information is recoverable. If it is not recoverable, then it will be stored in a metadata module or reload buffer. When the CPU is rebooted, after a software update or crash, it operates in a special reload mode and is able to recover any system state information not available in the network device from the metadata module.

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