beautypg.com

G.709 optical transport network (otn), Overview – EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 User Manual

Page 374

background image

Glossary

364

FTB/IQS-85100G

G.709 Optical Transport Network (OTN)

G.709 Optical Transport Network (OTN)

Overview

The optical transport network (OTN) combines the benefits of SONET/SDH
technology with the bandwidth expansion capabilities offered by dense
wavelength-division multiplexing (DWDM) technology.

The OTN consists of the following layers:

Optical Transport Section (OTS)

Optical Multiplex Section (OMS)

Optical Channel (OCh)

Optical channel Transport Lane (OTL)

Optical Transport Unit (OTU)

Optical Data Unit (ODU)

Optical Channel Payload Unit (OPU)