Synchronizing out-of-sync elements in a distributed fibre channel forwarder

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United States of America Patent

PATENT NO 9426098
APP PUB NO 20150312172A1
SERIAL NO

14264681

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Abstract

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Techniques are provided for synchronizing, in a distributed Fiber Channel fabric or a distributed FCoE fabric in which FC frames are encapsulated in Ethernet frames, a controlling FCoE forwarder (cFCF) with the FCoE data-plane forwarder (FDF). The operation includes entering a recovery mode at the FDF. The FDF is modified based on a route distribution message provided by the cFCF which includes fabric-provided MAC addresses (FPMAs). The FDF notifies the cFCF of differences between the FPMAs supplied by the route distribution message with the FPMAs known by the FDF. The FDF leaves the recovery mode and sends an acknowledgement to the cFCF.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
May, Henry J Cedar Falls, US 23 127
Raisch, Christoph Gerlingen, DE 94 910
Roscher, Stefan Stuttgart, DE 13 30
Sentler, Daniel Steinenbronn, DE 18 77
Somayaji, Bharath B Bangalore, IN 8 26
Yelanduru, Sudheer R Bangalore, IN 12 74

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