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Internetworking Technologies Handbook, Fourth Edition by Cisco Systems, Inc.

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Chapter 23. Introduction to Optical Technologies

Objectives

  • Learn about different approaches to optical networking.

  • Understand the different methods of building optical networks.

  • Learn about different optical network topologies.

Optical networks provide the means to transport audio, video, and data across optical transmission and switching systems. This chapter investigates traditional architectures, such as SONET/SDH, and emerging paradigms, such as IP over DWDM, Gigabit Ethernet, and ATM. Recently, equipment and standards bodies have started developing the means to signal and switch optical networks. This chapter discusses recent developments in managing and controlling optical networks from the IETF, OIF, and ITU. Additionally, these organizations ...

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