SUB-RATE MAPPING FOR LOWEST-ORDER OPTICAL DATA UNIT
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United States of America Patent
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Issued Date -
Sep 11, 2014
app pub date -
Mar 8, 2013
filing date -
Mar 8, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
One embodiment relates a method for communicating data using an optical transport network. Multiple sub-rate client data signals are received from client sources. The sub-rate client data signals each have a data rate which is less than a data rate capacity of a lowest-order data unit. A predetermined number of tributary slots are provided in the lowest-order optical channel data unit, and each sub-rate client data signal are mapped to at least one of the tributary slots. Another embodiment relates to an optical data communication server that includes a sub-rate mapper for mapping multiple sub-rate client data streams to a predetermined number of tributary slots. Other embodiments and features are also disclosed.
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