VoIP
Emerging Trends and Technologies
(Sprache: Englisch)
Understand how new network technologies impact VoIP! Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate both in the corporate world and in personal life. The enormous success of VoIP has led to its adoption in a wide range of networking technologies.
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Understand how new network technologies impact VoIP! Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate both in the corporate world and in personal life. The enormous success of VoIP has led to its adoption in a wide range of networking technologies.
Klappentext zu „VoIP “
Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate - both in the corporate world and in personal life. The enormous success of VoIP has led to its adoption in a wide range of networking technologies. Each network technology has its unique features and poses distinct challenges to the performance of VoIP. VoIP: Wireless, P2P and New Enterprise Voice over IP describes the issues arising in the deployment of VoIP in an emerging heterogeneous network environment. Along with a brief overview of the concepts, protocols, algorithms, and equipment involved in realizing VoIP, this book focuses on two areas; quality and performance issues in deploying VoIP, this book focuses on two areas: quality and performance issues in deploying VoIP over various network settings, and the new mechanisms and protocols in these emerging networks to assist the deployment of VoIP. This book is an invaluable resource for professional network engineers, designers, managers, researchers, decision makers and project managers overseeing VoIP implementations. Market analysts, consultants, and those studying advanced undergraduate and graduate courses on data, voice and multimedia communications will also find this book insightful. VoIP; Wireless, P2P and New Enterprise Voice over IP: * Discusses the basics of VoIP, VoIP codecs and VoIP protocols including SIP and H.323. * Details new technologies such as P2P technology, VoWiFi, WiMax, and 3G networks. * Explains the QoS issues arising from deploying VoIP using the new technologies. * Solves the performance issues that emerge when VoIP is deployed over different network technologies.
Inhaltsverzeichnis zu „VoIP “
PART I PRELIMINARIES1. Introduction to VoIP Networks
1.1 Public Switched Telephone Network (PSTN)
1.2 Fundamentals of Internet technology
1.3 Performance issues in the Internet
1.4 Quality of Service guarantees
1.5 Summary
2. Basics of VoIP
2.1 Packetization of Voice
2.2 Networking Technology
2.3 Architecture Overview
2.4 Process of Making a VoIP Call
2.5 Deployment issues
2.6 VoIP Applications & Services
2.7 Summary
3. VoIP Codecs
3.1 Codec design overview
3.2 Speech coding techniques
3.3 Narrowband codecs
3.4 Wideband and multirate codecs
3.5 VoIP Softwares
3.6 Summary
4. Performance of Voice Codecs
4.1 Factors affecting VoIP quality
4.2 Voice Quality Assessment
4.3 Subjective measures and MOS score
4.4 Conversational Opinion Score
4.5 EModel
4.6 Sensitivity to Loss
4.7 Perceptual Evaluation of Speech Quality (PESQ)
4.8 Tools for lab testbed setup
4.9 Voice Input/Output Tools
4.10 Summary
5. VoIP Protocols
5.1 Introduction
5.2 Signaling Protocols
5.3 Media Transport Protocols
5.4 Summary
PART II VOIP IN OVERLAY NETWORKS
6. Overlay Networks
6.1 Internet Communication Overview
6.2 Limitations of the Internet
6.3 Overlay Networks
6.4 Applications of Overlay Networks
6.5 Summary
7. P2P Technology
7.1 P2P Communication Overview
7.2 Classification of P2P Networks
7.3 Unstructured Overlays
7.4 Structured Overlays - Distributed Hash Table
7.5 Types of DHT
7.6 Semistructured
7.7 Keyword Search Using DHT
7.8 Summary
8. VoIP over Infrastructure Overlays
8.1 Introduction
8.2 VoIP over Overlay - Generic Architecture
8.3 Methods to Enhance VoIP Quality
8.4 Estimating Network Quality
8.5 Route Computation
8.6 Perceived Enhancement of VoIP Quality
8.7 Summary
9. VoIP over P2P
9.1 VoIP over P2P Overlay - Generic Architecture
9.2 VoIP Issues in P2P Overlay
9.3 Case Study: Skype
9.4 Standardization
9.5 Summary
PART III VOIP IN WIRELESS NETWORKS
10. IEEE 802.11 Wireless Networks
10.1 Network Architecture
... mehr
Overview
10.2 Network Access Management
10.3 Basic Medium Access Protocol
10.4 Physical layer
10.5 Network Resource Management
10.6 IEEE 802.11 Standardization Overview
10.7 Summary
11. Voice over IEEE 802.11 Wireless Networks
11.1 VoIP over WLAN Performance Problems
11.2 VoIP Capacity
11.3 VoIP Packet Prioritization
11.4 Handoff Performance
11.5 Reliable Delivery
11.6 Client Power Management
11.7 Issues in Mesh Networks
11.8 Summary
12. IEEE 802.16 WiMAX
12.1 WiMAX Overview
12.2 IEEE 802.11 MAC Protocol Architecture
12.3 MAC Layer Framing
12.4 Physical Layer
12.5 Radio Resource Management
12.6 Competing Technologies
12.7 Summary
13. Voice over WiMAX
13.1 Introduction
13.2 VoIP Service Delivery over WiMAX Network
13.3 QoS Architecture
13.4 Call Admission Control
13.5 Uplink QoS Control
13.6 Enhanced QoS Control for VoIP
13.7 MAC Enhancement Strategies
13.8 Comparison with Competing Technologies
13.9 Summary
PART IV VOIP IN ENTERPRISE NETWORKS
14. Private Branch Exchange (PBX)
14.1 Private Branch Exchange (PBX)
14.2 Case Study: Asterisk OpenSource
14.3 Summary
15. Network Address Translation and Firewall
15.1 Introduction
15.2 NAT Fundamentals
15.3 Applications of NAT
15.4 Types of NAT
15.5 Firewall
15.6 NAT Traversal Solutions
15.7 NAT Traversal in H.323
15.8 Summary
PART V VOIP SERVICE DEPLOYMENT
16. Supporting Services and Applications
16.1 Domain Name System (DNS)
16.2 ENUM
16.3 Network Monitoring
16.4 Direct Inward Dialing
16.5 Emergency Calling (911)
16.6 Fax
16.7 Summary
17. Security and Privacy
17.1 Security and Privacy Issues
17.2 Generic Issues
17.3 VoIPrelated
17.4 Solutions
17.5 Recommendations
17.6 Summary
18. IP Multimedia Subsystem (IMS)
18.1 Introduction
18.2 Architecture Design Goals
18.3 IMS Advantages
18.4 IMS Architecture Organization
18.5 Network Attachment SubSystem (NASS)
18.6 Resource Admission Control Subsystem (RACS)
18.7 IMS Core Subsystem
18.8 IMS QoS Management
18.9 QoS Provisioning Approach
18.10 Summary
10.2 Network Access Management
10.3 Basic Medium Access Protocol
10.4 Physical layer
10.5 Network Resource Management
10.6 IEEE 802.11 Standardization Overview
10.7 Summary
11. Voice over IEEE 802.11 Wireless Networks
11.1 VoIP over WLAN Performance Problems
11.2 VoIP Capacity
11.3 VoIP Packet Prioritization
11.4 Handoff Performance
11.5 Reliable Delivery
11.6 Client Power Management
11.7 Issues in Mesh Networks
11.8 Summary
12. IEEE 802.16 WiMAX
12.1 WiMAX Overview
12.2 IEEE 802.11 MAC Protocol Architecture
12.3 MAC Layer Framing
12.4 Physical Layer
12.5 Radio Resource Management
12.6 Competing Technologies
12.7 Summary
13. Voice over WiMAX
13.1 Introduction
13.2 VoIP Service Delivery over WiMAX Network
13.3 QoS Architecture
13.4 Call Admission Control
13.5 Uplink QoS Control
13.6 Enhanced QoS Control for VoIP
13.7 MAC Enhancement Strategies
13.8 Comparison with Competing Technologies
13.9 Summary
PART IV VOIP IN ENTERPRISE NETWORKS
14. Private Branch Exchange (PBX)
14.1 Private Branch Exchange (PBX)
14.2 Case Study: Asterisk OpenSource
14.3 Summary
15. Network Address Translation and Firewall
15.1 Introduction
15.2 NAT Fundamentals
15.3 Applications of NAT
15.4 Types of NAT
15.5 Firewall
15.6 NAT Traversal Solutions
15.7 NAT Traversal in H.323
15.8 Summary
PART V VOIP SERVICE DEPLOYMENT
16. Supporting Services and Applications
16.1 Domain Name System (DNS)
16.2 ENUM
16.3 Network Monitoring
16.4 Direct Inward Dialing
16.5 Emergency Calling (911)
16.6 Fax
16.7 Summary
17. Security and Privacy
17.1 Security and Privacy Issues
17.2 Generic Issues
17.3 VoIPrelated
17.4 Solutions
17.5 Recommendations
17.6 Summary
18. IP Multimedia Subsystem (IMS)
18.1 Introduction
18.2 Architecture Design Goals
18.3 IMS Advantages
18.4 IMS Architecture Organization
18.5 Network Attachment SubSystem (NASS)
18.6 Resource Admission Control Subsystem (RACS)
18.7 IMS Core Subsystem
18.8 IMS QoS Management
18.9 QoS Provisioning Approach
18.10 Summary
... weniger
Autoren-Porträt von Samrat Ganguly, Sudeept Bhatnagar
Samrat Ganguly currently works as a Research Staff Member at NEC Laboratories America. He gained his PhD in Computer Science from Rutgers University. His research interests include VoIP over wireless mesh networks, streaming over 3G networks, Grid computing, and QoS issues. He has presented papers for conferences and workshops such as Infocom, PIMRC, and ICC. Sudeept Bhatnagar works as a Research Staff Member at NEC Laboratories America. His research interests include VoIP and Enterprise networks, data streams, wireless mesh technologies and energy-efficient protocol design for sensor networks. He gained his PhD in Computer Science from Rutgers University. He has published over 20 papers in the area of networking and won the best paper award at the High Performance and Switching and Routing workshop.
Bibliographische Angaben
- Autoren: Samrat Ganguly , Sudeept Bhatnagar
- 2008, 1. Auflage, 288 Seiten, Masse: 17,5 x 25 cm, Gebunden, Englisch
- Verlag: Wiley & Sons
- ISBN-10: 0470319569
- ISBN-13: 9780470319567
- Erscheinungsdatum: 15.04.2008
Sprache:
Englisch
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