CPC H04J 14/08 (2013.01) [H04B 10/27 (2013.01); H04J 3/1652 (2013.01)] | 15 Claims |
1. A method for processing data in an optical transport network (OTN), the method comprising:
mapping, by a processor of an apparatus for processing data, a lower order optical channel data unit (LO ODU) signal into a payload area of an optical channel data tributary unit (ODTU) signal;
encapsulating, by the processor, overhead information to an overhead area of the ODTU signal; and
multiplexing, by the processor, the ODTU signal into a higher order optical channel payload unit (HO OPU), wherein the ODTU signal occupies M tributary slots of the HO OPU, and M is an integer greater than 1.
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