Methods for zero loss and nonstop packet processing during system software upgrades

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United States of America Patent

PATENT NO 9030947
APP PUB NO 20140105068A1
SERIAL NO

13650363

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Abstract

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A method implemented in a network component for an in-service software upgrade (ISSU), the method comprising selecting a forwarding core (FC) for upgrade from a plurality of FCs that run at a data plane on a printed circuit board of the network component to process and forward a plurality of packets, and resetting the selected FC with a software upgrade, wherein at least one of the other FCs continues processing and forwarding packets when the selected FC is upgraded.

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Patent Owner(s)

  • FUTUREWEI TECHNOLOGIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Xu, Jun Cupertino, US 918 6897

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