Signatures for facilitating hot upgrades of modular software components

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6880086
SERIAL NO

09777468

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a method and apparatus for facilitating hot upgrades of software components within a telecommunications network device through the use of 'signatures' generated by a signature generating program. After installation of a new software release within the network device, only those software components whose signatures do not match the signatures of corresponding and currently executing software components are upgraded. Signatures promote hot upgrades by identifying only those software components that need to be upgraded. Since signatures are automatically generated for each software component as part of putting together a new release a quick comparison of two signatures provides an accurate assurance that either the software component has changed or has not. Thus, signatures provide a quick, easy way to accurately determine the upgrade status of each software component.

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Patent Owner(s)

Patent OwnerAddress
CIENA CORPORATION7035 RIDGE ROAD HANOVER MD 21076

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hurley, Jim Acton, MA 3 592
Kidder, Joseph D Arlington, MA 11 1340
Mahler, Michael B Boylston, MA 1 568
Perreault, Edward L Dunstable, MA 1 568
Stearns, Margaret Hollis, NH 1 568

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