Data (packet) switching and routeing

Data (packet) switching and routeing

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In this chapter we looked at the variety of packet technologies providing the wide range of data services used by both business and residential customers. After considering the differences between voice and data services, we then noted that several packet systems are capable of providing voice switching. We looked at ATM in detail, noting that the VPs established enabled the QoS offered to customers to be predicted and assured. However, the main focus of the rest of the chapter addressed the various aspects of IP and why it has proved to be ubiquitous and popular as a network service as well as the main interface to user computer applications. Consideration of the Internet provided an insight into the applicability of IP and, with the advent of the WWW, the massive impact on everyday life at work and home.

Chapter Contents:

  • 8.1 Introduction
  • 8.2 The nature of data
  • 8.3 Packet switching
  • 8.3.1 Connection-orientated packet mode
  • 8.3.2 Connectionless packet mode
  • 8.3.3 Comparison of packet switching modes
  • 8.4 Asynchronous transfer mode
  • 8.5 Internet protocol
  • 8.6 The Internet
  • 8.6.1 The Internet as a utility
  • 8.6.2 Routeing through the Internet
  • 8.6.3 The Internet of things
  • 8.7 Voice-over-IP
  • 8.7.1 The concept of VoIP
  • 8.7.2 VoIP over broadband
  • 8.8 Network aspects: IP over ATM
  • 8.9 Multi-protocol label switching
  • 8.10 Local area networks
  • 8.10.1 The LAN concept
  • 8.10.2 The Ethernet family
  • 8.10.3 Corporate networks, MANs, and WANs
  • 8.10.4 Wireless LANs
  • 8.11 Data services
  • 8.11.1 Range of data services provided by Telco
  • 8.11.2 IPTV
  • 8.11.3 Cloud service and data centres
  • 8.12 NFV and SDN
  • 8.12.1 Developments to data network technologies
  • 8.12.2 NFV
  • 8.12.3 SDN
  • 8.13 Summary
  • References

Inspec keywords: quality of service; IP networks; ubiquitous computing; automatic teller machines; Internet telephony; packet switching

Other keywords: ATM; residential customers; data services; quality of service; IP network service; ubiquitous network service; packet technology; computer applications; data packet routing; packet systems; data packet switching; voice services; automatic teller machines; business customers; voice switching; QoS

Subjects: Communication switching; Ubiquitous and pervasive computing; Local area networks; Computer communications; Telephony

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