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METHOD, APPARATUS AND SYSTEM FOR ERROR CONTROL

  • US 20200136755A1
  • Filed: 10/25/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/25/2018
  • Status: Active Grant
First Claim
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1. A method of error control comprising:

  • receiving at a first device, over a first communications link, a container frame having a payload of a first length, the payload comprising;

    a plurality of optical transport unit (OTU) frames having a second length, each OTU frame comprising;

    an optical data unit (ODU) frame, anda sequence of forward error correction (FEC) bits for the ODU frame; and

    a plurality of sequences of error-identifying bits, each sequence being for a respective one of the OTU frames, wherein the first length is not a multiple of the second length; and

    determining, based on the plurality of sequences of error-identifying bits, a performance of the first communications link.

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