Why we use OTN

OTN offers the following advantages relative to SONET/SDH: ·

  • Stronger Forward Error Correction ·
  • More Levels of Tandem Connection Monitoring (TCM) ·
  • Transparent Transport of Client Signals ·
  • Switching Scalability

OTN has the following disadvantages: ·

  • Requires new hardware and management system

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