OPTICAL PATH FAULT RECOVERY

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United States of America Patent

APP PUB NO 20170302371A1
SERIAL NO

15636401

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The embodiments disclosed herein provide fast recovery of a network signal path by, in the event of a failure or unacceptable degradation in a signal in the original network path, diverting the optical signal passing through the network to a preselected bypass optical path which is maintained in a warm or operational state. The optical elements on the bypass optical path are available network resources which may, during part or all of the time the bypass path is designated for a node in the primary optical path, be in use to transmit other optical signals in the network. By maintaining the resources in the designated bypass path in a warm or operating state, fast rerouting and recovery of an interrupted signal is possible.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CISCO TECHNOLOGY, INC.SAN JOSE, CA14366

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