Full name of HFEC and SDFEC

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HFEC means hard-decision FEC, and SDFEC means soft-decision FEC, as shown below:
HFEC: High Performance Forward Error Correction
SDFEC: Soft Decision
Forward Error Correction

Other related questions:
Full spellings of HFEC and SDFEC
HFEC is hard-decision FEC and SDFEC is soft-decision FEC. The full spellings are as follows: HFEC: high performance forward error correction SDFEC: soft decision forward error correction

Full name of the LSQ board
LSQ is a type of 40 Gbit/s wavelength conversion board. It maps one client-side STM-256, OC-768, or OTU3 optical signal into one ITU.T G.694.1–compliant OTU3 signal.

Full name of the THA board
The THA board is a type of 16 any-rate port service processing board.

Full name of ITU-T Y.1731
The full name of ITU-T Y.1731 is "OAM functions and mechanisms for Ethernet based networks".

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