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Optical Fiber Telecommunications Volume VIB, 6th Edition by Alan E. Willner, Tingye Li, Ivan Kaminow

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Chapter 18

Advancements in Metro Regional and Core Transport Network Architectures for the Next-Generation Internet

Loukas Paraschis,    cisco, 170 W. Tasman Dr., San Jose, CA 95134, USA

Acknowledgments

I would like to acknowledge numerous insightful discussions on this topic with many colleagues, and especially O. Gerstel, S. Spraggs, A. Clauberg, A. Gladish, B. Koley, R. Doverspike, and P. Magill.

18.1 Introduction

The expanding availability of fast and reliable network connectivity has been enabling applications to transition increasingly to an Internet-based service delivery model. At the same time, the underlying infrastructure consists of data-centers (DC), often of massive, pooled, and “virtualized” compute and storage resources, commonly referred ...

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