Converged Multimedia Networks

  • ID: 2170415
  • Book
  • 364 Pages
  • John Wiley and Sons Ltd
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Learn how to construct the converged networks of the future!

New technologies are re–writing the business cases and cost models upon which telephony has been based for years. The fast "always on" Broadband Internet is a key driver, pushing forward and enabling the delivery of multimedia applications in all types of networks.

Service Providers want to reduce costs by converging new IP Services, existing data services and traditional telephony services onto the same core network, placing expectations on network performance. Converged Multimedia Networks focuses on enabling the synergistic combination of voice, data and video on to one network and the new challenges this will present in telecommunications.

Converged Multimedia Networks:

  • Demonstrates how to deploy converged networks to support mobile telephony, fixed telephony, data, and broadband multimedia services.
  • Describes how call control enables peer–to–peer voice and multimedia communication.
  • Overviews the security solutions available to the network operators.
  • Covers the architectural and protocol developments needed to permit the NGN to interoperate with the PSTN, reviewing transmission, and signalling in depth.
  • Introduces the IMS architecture, for all types of access.
  • Illustrates how value Added Services are delivered and describes how the Session Initiation Protocol (SIP) has launched a new breed of native SIP applications.
  • Explains Multi Protocol Label Switching (MPLS), showing its capabilities in the core and describes how IP traffic engineering can support end user QoS guarantees.
  • Discusses how differentiated QoS can be implemented allowing multiple service offerings, avoiding over–provisioning, and maximising the operator′s return on investment.

This text will be an invaluable resource for network planners, and network architects in the telecommunications industry. Advanced students and network engineers working for telecommunication operators and vendors will also find this to be an excellent technical guide to the topic.

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Foreword.

Preface.

1 Introduction.

1.1 Motivation for Network Convergence.

1.2 The Core Network.

1.3 Legacy Service Requirements.

1.4 New Service Requirements.

1.5 Architectures.

1.6 Moving to SIP.

1.7 Growing Revenue.

1.8 Network Operators Dealing with Convergence.

1.9 Enabling Technologies for Converged Networks.

2 Call Control in the NGN.

2.1 NGN Network Architectures.

2.2 The Operation of Call Control.

2.3 Call Processing in the Legacy PSTN.

2.4 Call Processing in an NGN Call Agent.

2.5 The Basic Call State Machine.

2.6 Call Signalling in the NGN and the Role of SIP.

2.7 The SDP Protocol.

2.8 Media Transport Using RTP and RTCP.

2.9 Addressing Issues.

2.10 Summary.

References.

3 Securing the Network and the Role of Session Border Gateways.

3.1 General Principles of Security and the NGN.  

3.2 The Problem of Secrets.

3.3 IPSec.

3.4 Session Border Controllers and Session Border Gateways.

3.5 Protecting the PSTN Call Control Platforms in the NGN.

3.6 Summary.

References.

Contents.

4 The NGN and the PSTN.

4.1 Circuits and What they Carry.

4.2 Signalling and Supervision.

4.3 The Birth of the Call Agent.

4.4 Media Gateways.

4.5 A Look at Media Gateway Control Protocols.

4.7 Summary.

References.

5 Evolution of Mobile Networks and Wireless LANs.

5.1 Introduction.

5.2 1G and 2G Mobile Networks.

5.3 Development of 3G.

5.4 Release 99 UMTS Architecture.

5.5 General Packet Radio Service (GPRS).

5.6 Enhanced Data Rates for GSM Evolution (EDGE).

5.7 Release 4 UMTS Architecture.

5.8 Wideband Code Division Multiple Access (W–CDMA).

5.9 Introduction to IMS.

5.10 GPRS Access to IMS.

5.11 Broadband Data Wireless Access.

5.12 Wireless LAN Interworking.

5.13 Mobile TV and Video.

5.14 Related Work in other Standards Bodies.

Summary.

Appendix.

References.

6 Value–added Services.

6.1 Introduction.

6.2 Service Creation and Delivery Technologies.

6.3 Service Orchestration.

6.4 Service Orchestration Examples.

6.5 Service Delivery Platforms.

Summary.

References.

7 Core Network Architecture.

7.1 The Convergence Layer: Multiprotocol Label Switching.

7.2 Virtual Private Networks.

7.3 Summary.

References.

8 Guaranteeing Quality of Service in the NGN.

8.1 Introduction.

8.2 Defining QoS.

8.3 QoS in IP Networks.

8.4 Traffic Engineering in the MPLS Core.

Contents.

8.5 Video Services.

8.6 Business VPN Services.

8.7 Extending QoS for VPN Services across Multiple Providers.

8.8 QoS and the PSTN.

8.9 QoS Architectures for PSTN Services.

8.10 The MSF Architecture for Bandwidth Management.

8.11 Protecting the Network from Application Layer Overload.

8.12 Summary.

References.

Index.

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"This book fills a gap in multimedia literature...well written..." (IET Communication Engineer, December 2006)
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