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IP Services

This chapter discusses the evolution from circuit-switched to Internet Protocol (IP)based packet-switched infrastructures to support the variety of IP services in use today, including IP telephony (IPT), IP television (IPTV), and virtual private networks (VPNs). IPT involves the transmission of voice, fax, and related services over IP-based packet-switched networks. IPTV systems deliver digital television service to a subscriber, using IP over a broadband connection. VPNs are a critical requirement for businesses because they distribute mission-critical and sensitive traffic to remote locations; they offer networking security and performance comparable with that available at the office.


Part I: Communications Fundamentals

Telecommunications Technology Fundamentals

Traditional Transmission Media

Establishing Communications Channels

The PSTN

Part II: Data Networking and the Internet

Data Communications Basics

Local Area Networking

Wide Area Networking

The Internet and IP Infrastructures

Part III: The New Generation of Networks

IP Services

Next-Generation Networks

Optical Networking

Broadband Access Alternatives

Part IV: Wireless Communications

Wireless Communications Basics

Wireless WANs

WMANs, WLANs, and WPANs

Emerging Wireless Applications

Glossary

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Telecommunications Essentials(c) The Complete Global Source
Telecommunications Essentials, Second Edition: The Complete Global Source (2nd Edition)
ISBN: 0321427610
EAN: 2147483647
Year: 2007
Pages: 160
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