CPC H04J 3/1658 (2013.01) [H04J 3/07 (2013.01); H04J 3/167 (2013.01); H04J 2203/0085 (2013.01)] | 20 Claims |
1. A method for performing rate adaptation, the method comprising:
receiving a stream of encoded blocks of Constant Bit Rate (CBR) client data at a source node;
defining a plurality of pseudo-Ethernet packets; assembling a stream of Generic Mapping Procedure (GMP) frames comprising a plurality of GMP frames by mapping a fixed number of the encoded blocks of CBR client data, a fixed number of pad blocks and GMP overhead into consecutive pseudo-Ethernet packets of the plurality of pseudo-Ethernet packets;
inserting a variable number of idle blocks into the stream of GMP frames; and
inserting a Metro Transport Network (MTN) path overhead (POH) frame that is aligned to the plurality of GMP frames into the stream of GMP frames to generate a stream of CBR rate adapted GMP frames.
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