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The ComSoc Guide to Next Generation Optical Transport: SDH/SONET/OTN

ISBN: 978-0-470-22610-0
211 pages
October 2009, Wiley-IEEE Press
The ComSoc Guide to Next Generation Optical Transport: SDH/SONET/OTN (0470226102) cover image

Description

A comprehensive guide to SDH, SONET, and OTN

The ComSoc Guide to Next Generation Optical Transport provides a unique overview of SDH and OTN for engineers who are new to the field, as well as manufacturers, network operators, and graduate students who need a basic understanding of the topics. Fully up-to-date with the latest research and written by one of the foremost experts in the field, it covers:

  • Network architectures

  • Frames and structures

  • Network modeling

  • Packet transport network modeling

  • Frequency justification

  • Protection mechanisms

  • Mapping methodologies

  • Concatenation

  • SDH and SONET overhead processing

The book is complemented with 200 illustrations that explain key concepts in an easy-to-understand format, while references point readers to the appropriate standards documents for further reading. Whether you're new to the field or just need a basic understanding of SDH, this is a must-have guide.

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Table of Contents

PREFACE.

1. INTRODUCTION TO OPTICAL TRANSPORT.

1.1 History.

1.2 Conventions.

1.3 Standard Documents from Different SDOs.

2. NETWORK ARCHITECTURES: THE STRUCTURE OF THE NETWORK.

2.1 Network Topology.

2.2 Network Functional Model.

3. FRAMES AND STRUCTURES: TRANSPORT IN CONTAINERS.

3.1 SDH Frames and Structures.

3.2 OTN Frames and Structures.

3.3 PDH Frame Structures.

3.4 PTN Frame Structures.

4. NETWORK MODELING: LAYERS AND ATOMIC FUNCTIONS.

4.1 The Synchronous Digital Hierarchy SDH.

4.2 The SDH Higher Order Path (Sn) Layer.

4.3 The SDH Lower Order Path (Sm) Layer.

4.4 The SDH Multiplex Section (MSn) Layer.

4.5 The SDH Regenerator Section (RSn) Layer.

4.6 The SDH Optical Section (OSn) Layer.

4.7 The SDH Electrical Section (ES1) Layer.

4.8 The Layers Below the SDH OSn and ES1 Layer.

4.9 The Optical Transport Network OTN.

4.10 The OTN Optical Channel Data Unit Layer (ODUk).

4.11 The OTN Optical Channel Transport Unit Layer (OTUk).

4.12 The OTN Optical Channel Layer (OCh).

4.13 The OTN Optical Multiplex Section Layer (OMSn).

4.14 The OTN Optical Transmission Section Layer (OTSn).

4.15 The OTN Optical Physical Section Layer (OPS).

5. PACKET TRANSPORT NETWORK MODELING: EXTENDING THE MODEL TO NGN.

5.1 The Generic PTN Layer.

5.2 The PTN-Specifi c OAM Traffic Units.

6. FREQUENCY JUSTIFICATION: POINTERS AND STUFFING.

6.1 Pointer Processing.

6.2 Bit Stuffing.

6.3 Positive and Negative Justification.

7. PROTECTION MECHANISMS: IMPROVE AVAILABILITY.

7.1 Availability.

7.2 Protection Architectures.

7.3 Protection Classes.

8. MAPPING METHODOLOGIES: FITTING THE PAYLOAD IN THE CONTAINER.

8.1 SDH/SONET—Container C-n Mapping.

8.2 OTN—Container OPUk Mapping.

8.3 GFP Mapping.

9. CONCATENATION: TO GROW AND PROVIDE FLEXIBILITY.

9.1 Contiguous Concatenation (CCAT).

9.2 Virtual Concatenation (VCAT).

9.3 Link Capacity Adjustment Scheme (LCAS).

10. SDH VS. SONET OVERHEAD PROCESSING: COMMONALITIES AND DIFFERENCES.

ABBREVIATIONS.

REFERENCES.

BIBLIOGRAPHY.

INDEX.

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Author Information

Huub van Helvoort, MSEE, Eindhoven University of Technology, is a Senior Member of the IEEE. He has worked at Philips Telecommunication Industries, AT&T, Lucent Technologies, TranSwitch Corporation, and Huawei Technologies. He is a designer and architect of second- and third-generation SDH equipment and devices. In addition, he has taught telecommunication technology to post graduate students at the University of Utrecht in the Netherlands. Among van Helvoort's major achievements is the standardization of VCAT, LCAS, and GFP. He represented the above companies in the international standards body ITU-T and the regional standards bodies ANSI OPTXS and ETSI. He is currently rapporteur of ITU-T Q10: "OAM for Transport Networks" and editor of several ITU-T recommendations.
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