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The Essential Guide to Telecommunications, Fifth Edition by Annabel Z. Dodd

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4. Carrier Networks

In this chapter:

The Public Network

Long-Haul Networks: The Core

Technologies Used in Carrier Networks

Convergence in Core and Metropolitan Networks

Transporting Movies and TV in the Core

Middle-Mile Networks

Last-Mile Access Networks

Access Networks in Cable Operators’ Networks

Telecommunications Services in National Emergencies

Signaling

Summary

Appendix

Carriers are striving to streamline functions to save money on labor and equipment costs, and to increase productivity while upgrading networks to carry additional traffic. Upgrading networks, while costly, simplifies the tasks of carrying mixed types of traffic including analog telephone, Internet, high-definition television (HDTV), and movies. ...

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