SHARED PROTECTION IN OPTICAL NETWORKS
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Nov 12, 2015
filing date -
Nov 12, 2014
priority date (Note) -
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Abstract
A device for shared protection in an optical network may include a processor circuit. The processor circuit may be configured to transmit optical signals over an optical network port to a first set of optical network units (ONUs), receive an indication that an optical line terminal (OLT) is unavailable to service a second set of ONUs, transition to a protection operation mode from a normal operation mode in response to indication, and transmit optical signals over the optical network port to the first and second set of ONUs. The optical signals may include resource allocation information for at least some of the first and second set of ONUs. The device may operate as a working OLT for the first set of ONUs when in the normal operation mode. The device may operate as the working OLT for the first and second set of ONUs when in the protection operation mode.
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