The Springer International Engineering and Computer Science

LAN, MAN and WAN Architectures

By: Byrav Ramamurthy

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Hardcover | 31 January 2001

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196 Pages

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23.5 x 15.88 x 1.91

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Lo, soul! seest thou not God's purpose from the first? The earth to be spann'd, connected by net-work From Passage to India! Walt Whitman, "Leaves of Grass", 1900. The Internet is growing at a tremendous rate today. New services, such as telephony and multimedia, are being added to the pure data-delivery framework of yesterday. Such high demands on capacity could lead to a "bandwidth-crunch" at the core wide-area network resulting in degra dation of service quality. Fortunately, technological innovations have emerged which can provide relief to the end-user to overcome the In ternet's well-known delay and bandwidth limitations. At the physical layer, a major overhaul of existing networks has been envisaged from electronic media (such as twisted-pair and cable) to optical fibers - in the wide area, in the metropolitan area, and even in the local area set tings. In order to exploit the immense bandwidth potential of the optical fiber, interesting multiplexing techniques have been developed over the years. Wavelength division multiplexing (WDM) is such a promising tech nique in which multiple channels are operated along a single fiber si multaneously, each on a different wavelength. These channels can be independently modulated to accommodate dissimilar bit rates and data formats, if so desired. Thus, WDM carves up the huge bandwidth of an optical fiber into channels whose bandwidths (1-10 Gbps) are compati ble with peak electronic processing speed.

Industry Reviews

`The field of optical WDM networks has experienced widespread attention and growth in recent years. This book, I believe, will be a welcome addition to the literature focusing on this exciting technology!'
From the Foreword by Professor Biswanath Mukherjee, University of California

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You Can Find This Book In

Non-Fiction Engineering & Technology Electronics & Communications Engineering Communications Engineering & Telecommunications Computing & I.T.Computer Networking & Communications Computer Science Computer Architecture & Logic Design Other Technologies & Applied Sciences Applied Optics Computer Hardware Network Hardware

Energy Technology & Engineering Electrical Engineering Mechanical Engineering & Materials Mechanical Engineering Materials Science

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Paperback

Published: 26th October 2012

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List of Figures	p. xiii
List of Tables	p. xvii
Preface	p. xix
Acknowledgments	p. xxiii
Foreword	p. xxv
Introduction	p. 1
Optical Networks and WDM	p. 1
Focus of This Book	p. 3
Optimizing Amplifier Placements	p. 4
Wavelength Conversion	p. 6
Impact of Transmission Impairments	p. 7
Book Outline	p. 8
Optical Network Devices	p. 9
Introduction	p. 9
Optical Fiber	p. 11
Attenuation in Fiber	p. 12
Limitations due to fiber nonlinearities	p. 12
Couplers	p. 13
Optical Amplifiers	p. 15
Optical Amplifier Characteristics	p. 16
Semiconductor-Laser Amplifier	p. 16
Doped-Fiber Amplifier	p. 17
Switching Elements	p. 19
Fiber Crossconnect Elements	p. 20
Non-Reconfigurable Wavelength Router	p. 21
Reconfigurable Wavelength-Routing Switch	p. 22
Optical Packet Switches	p. 23
Physical Layer Issues and Limitations	p. 24
Power Considerations	p. 24
Crosstalk	p. 25
Additional Considerations	p. 26
Elements of Local Area WDM Network Design	p. 26
WDM Wide Area Network Design Issues	p. 29
Conclusion	p. 31
LAN/MAN Architectures
Optimizing Amplifier Placements: the Equally-powered Wavelengths Case	p. 35
Introduction	p. 35
Problem Definition	p. 38
Amplifier Gain Model	p. 38
Solution Approach	p. 41
Notation	p. 41
Module I: Test the Feasibility of the Network	p. 43
Module II: Generate the Constraints	p. 44
Module III: Solve Mixed-Integer Linear Program	p. 47
Module IV: Place the Amplifiers	p. 48
Lower-Bound Analysis	p. 49
Numerical Examples	p. 51
An Illustrative Example: Sample Network 1	p. 51
Results and Discussion	p. 54
Summary	p. 55
Optimizing Amplifier Placements: the Unequally-powered Wavelengths Case	p. 61
Introduction	p. 61
Solution Approach	p. 64
Formulation	p. 64
Solver Strategies	p. 69
Amplifier-Placement Module	p. 72
Numerical Examples	p. 73
Summary	p. 80
WAN Architectures
Wavelength Conversion	p. 85
Introduction	p. 85
Enabling Technologies	p. 89
Wavelength-Converter Design	p. 89
Wavelength-Convertible Switch Design	p. 94
Network Design, Control, and Management Issues	p. 95
Network Design	p. 95
Network Control	p. 98
Network Management	p. 100
Benefit Analysis	p. 100
Analytical Models	p. 101
Related Work on Gain Characterization	p. 109
Summary	p. 111
Impact of Transmission Impairments	p. 113
Introduction	p. 113
Network Simulation Model	p. 116
Network Architecture	p. 116
Event-Driven Simulation Module	p. 119
On-Line BER Evaluation Module	p. 120
BER Model	p. 121
SIMON: A Simulator for Optical Networks	p. 123
Illustrative Numerical Examples and Discussion	p. 124
Summary	p. 129
Conclusions	p. 131
Summary	p. 131
Future Research Directions	p. 132
Appendices	p. 134
Switch Model	p. 135
EDFA Model	p. 145
References	p. 149
Index	p. 163
Table of Contents provided by Syndetics. All Rights Reserved.

The Springer International Engineering and Computer Science

LAN, MAN and WAN Architectures

At a Glance

Hardcover

Industry Reviews

Shipping

How to return your order

Defective items

You Can Find This Book In

Other Editions and Formats

Paperback

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