OTN Introduction: Optical Transport Network Basics

OTN NEWBIES
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FOREWORD
According to the ITU-T Recommendation G.709,an Optical
Transport Network (OTN) is composed of a set of optical
network elements connected by optical fiber links. The network
provides functionality of transport, multiplexing, routing,
management, supervision, and survivability of optical channels
carrying client signals.
This architecture can be seen as a combination of the
advantages of SDH/SONET technology with the flexibility of
DWDM. Using OTN, the OAM&P functionality of SDH/SONET is
applied to DWDM optical networks.
Compared to SDH/SONET, OTN has the following advantages:
•Stronger error correction mechanisms
•More levels of tandem connection monitoring
•Transparent transport of client signals
•Switching scalabilityIntroduction
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ABOUT THIS COURSE
This course is based on the following ITU-T
recommendations:
ITU-T G.709
ITU-T G.805
ITU-T G.806
ITU-T G.798
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LEARNING GUIDE
Just little Basics
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CONTENTS
1. OTN Introduction
2. Typical OTN Scenarios
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