Dynamic link repair from lane failure with minimal link-down time while sparing fault channels

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United States of America Patent

PATENT NO 9838110
SERIAL NO

14869434

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Abstract

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Method for repairing a communication link failure. In certain embodiments, the method generally includes communicating with another apparatus using an initial number of channels of a plurality of channels of a communication link; selectively coupling a plurality of communication lanes with the plurality of channels of the communication link, wherein, during an initial state, a first lane of the plurality of lanes is coupled with a first channel of the plurality of channels, and wherein the plurality of channels comprises a spare channel; determining whether at least one channel of the plurality of channels is experiencing a failure; and controlling at least one of the multiplexers such that the failed channel is replaced by another channel of the plurality of channels by using the spare channel.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dreps, Daniel M Georgetown, US 124 1327
Na, Nanju Essex Junction, US 21 64
Naderi, Kaveh Austin, US 19 130
Smith, James E Georgetown, US 166 3003

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