ＷＤＭネットワーク設計<br>Design of Optical WDM Networks : LAN, MAN and WAN Architectures (The Springer International Series in Engineering and Computer Science 603) （2001. 192 S.）

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ＷＤＭネットワーク設計
Design of Optical WDM Networks : LAN, MAN and WAN Architectures (The Springer International Series in Engineering and Computer Science 603) （2001. 192 S.）

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  • 製本 Hardcover:ハードカバー版／ページ数 166 p.
  • 言語 ENG
  • 商品コード 9780792372813

基本説明

Includes: passive star coupler-based broadcast optical networks, switch-based optical wavelength-routed networks, the impact of physical-layer issues on the design of such WDM-based optical networks, amplifier placement and optimization, and more.

Full Description

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.

Contents

1. Introduction.- 1.1 Optical Networks and WDM.- 1.2 Focus of This Book.- 1.3 Book Outline.- 2. Optical Network Devices.- 2.1 Introduction.- 2.2 Optical Fiber.- 2.3 Optical Amplifiers.- 2.4 Switching Elements.- 2.5 Physical Layer Issues and Limitations.- 2.6 Conclusion.- I LAN/MAN Architectures.- 3. Optimizing Amplifier Placements: The Equally-Powered Wavelengths Case.- 4. Optimizing Amplifier Placements: The Unequally-Powered Wavelengths Case.- II WAN Architectures.- 5. Wavelength Conversion.- 6. Impact of Transmission Impairments.- 7. Conclusions.- Appendices.- Switch Model.- EDFA Model.- References.