Voice over IP networks: quality of service, pricing and security
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin [u.a.]
Springer
2011
|
| Schriftenreihe: | Lecture notes in electrical engineering
71 |
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | X, 130 S. |
| ISBN: | 9783642143298 |
Internformat
MARC
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Datensatz im Suchindex
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|---|---|
| adam_text |
IMAGE 1
CONTENTS
1 INTRODUCTION 1
1 .1 MOTIVATION FOR VOIP NETWORKS 1
1.1.1 BUSINESS DRIVE 3
1.1.2 TECHNOLOGY INNOVATION 4
1.1.3 CUSTOMER COMFORT 4
1.2 COMPARISON OF PSTN AND VOIP NETWORKS 4
1.3 MAJOR CHALLENGES IN VOIP NETWORKS 5
1.3.1 QUALITY OF SERVICE 5
1.3.2 PRICING 6
1.3.3 SECURITY 6
1.4 SCOPE OF THIS BOOK 7
1.5 ORGANIZATION OF THE BOOK 7
2 VOICE OVER INTERNET PROTOCOL 9
2.1 VOIP ARCHITECTURE 9
2.1.1 VOIP SYSTEM 9
2.1.2 VOIP PROTOCOL STRUCTURE 9
2.2 QUALITY OF SERVICE 12
2.2.1 A. DELAY 12
2.2.2 B. JITTER 13
2.2.3 C. PACKET LOSS 13
2.3 VOIP IMPLEMENTATION 14
2.3.1 VOIP TEST BED 14
2.3.2 MEASUREMENT OF VOICE QUALITY 15
2.4 SESSION INITIATION PROTOCOL 16
2.4.1 BACKGROUND 16
2.4.2 SIP NETWORK ELEMENTS 18
2.4.3 SIP MESSAGES 19
2.4.4 SIP TRANSACTIONS 21
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1003339565
DIGITALISIERT DURCH
IMAGE 2
VUEI CONTENTS
2.4.5 SIP DIALOGUES 21
2.4.6 TYPICAL SIP SCENARIOS 22
2.5 SUMMARY 23
3 TRAFFIC CHARACTERIZATION 25
3.1 PACKET-SWITCHED NETWORK MODEL 26
3.2 QUEUING MODEL 26
3.2.1 QUEUING SPECIFICATION 27
3.2.2 ASSUMPTIONS OF THE QUEUING MODEL 27
3.2.3 STATISTICAL PROPERTIES OF TRAFFIC 28
3.3 ANALYSIS OF THE DELAY BOUND 29
3.3.1 THE M/M/L MODEL 29
3.3.2 THE M/D/L MODEL 31
3.3.3 COMPARISON OF M/M/L AND M/D/L MODELS 32
3.4 SUMMARY 33
4 IMPACT OF BOUNDED DELAYS ON RESOURCE CONSUMPTION IN PACKET SWITCHED
NETWORKS WITH M/M/L TRAFFIC 35
4.1 INTRODUCTION 35
4.1.1 AVERAGE DELAY VERSUS BOUNDED DELAY 36
4.1.2 ORGANIZATION OF THIS CHAPTER 36
4.2 THE SIP-BASED VOIP NETWORK MODEL 36
4.3 A SINGLE-HOP VOIP NETWORK 37
4.3.1 ANALYSIS OF A SINGLE-HOP VOIP NETWORK 38
4.3.2 DISCUSSION 39
4.4 TWO-HOP TANDEM NETWORK 40
4.4.1 ANALYSIS OF TWO-HOP VOIP NETWORK 41
4.4.2 DISCUSSION 42
4.5 MULTIPLE-HOP NETWORK 42
4.5.1 ANALYSIS OF MULTIPLE-HOP VOIP NETWORK 43
4.5.2 DISCUSSION 44
4.6 SIMULATION RESULTS 44
4.6.1 SIMULATION SCENARIO 45
4.6.2 SIMULATION RESULTS 45
4.7 CONCLUSION 46
5 IMPACT OF BOUNDED DELAY ON RESOURCE CONSUMPTION-M/D/1 MODEL 49
5. 1 INTRODUCTION 49
5.2 NETWORK MODEL 50
5.3 A SINGLE-HOP NETWORK 51
5.4 TWO-HOP TANDEM NETWORK 53
5.5 MULTI-HOP NETWORK 55
5.6 SIMULATION RESULTS 56
IMAGE 3
CONTENTS IX
5.6.1 SIMULATION SCENARIOS 57
5.6.2 ONE-HOP NETWORK SIMULATION RESULTS 59
5.6.3 TWO-HOP NETWORK SIMULATION RESULTS 60
5.7 CONCLUSION 62
6 IMPACT OF BOUNDED JITTER ON RESOURCE CONSUMPTION IN MULTI-HOP NETWORKS
63
6.1 INTRODUCTION 63
6.2 JITTER ANALYSIS 64
6.2.1 SINGLE-HOP MODEL 64
6.2.2 TWO-HOP AND MULTI-HOP MODEL 64
6.3 IMPACT OF THE NUMBER OF HOPS ON JITTER 65
6.3.1 CAPACITY REQUIREMENT FOR A N-HOP NETWORK AS A FUNCTION OF N WITH A
PRE-DEFINED JITTER UPPER BOUND 65
6.3.2 THE IMPACT OF THE UTILIZATION FACTOR ON THE CAPACITY PER HOP
NEEDED FOR A PRE-DEFINED UPPER BOUND ON END-TO-END JITTER 66
6.3.3 THE IMPACT ON THROUGHPUT OF A RESOURCE-CONSTRAINED MULTI-HOP
NETWORK WITH A PRE-DEFINED UPPER BOUND ON END-TO-END JITTER 68
6.4 CONCLUSIONS 69
7 COST AND QUALITY IN PACKET SWITCHED NETWORKS 71
7.1 INTRODUCTION 71
7.2 A QOS BASED PRICING MODEL 73
7.3 MATHEMATICAL MODEL OF A VOIP NETWORK 73
7.4 ANALYSIS OF THE SINGLE-HOP VOIP NETWORK 74
7.4.1 THRESHOLD DELAY, RESOURCE CONSUMPTION AND THROUGHPUT 74
7.4.2 PRICING FOR SINGLE-HOP NETWORK 78
7.5 ANALYSIS OF TWO-HOP VOIP NETWORK 79
7.5.1 COMPARISONS OF TWO-HOP AND SINGLE-HOP TRAFFIC PERFORMANCE 79
7.5.2 PRICING FOR TWO-HOP NETWORK 82
7.6 ANALYSIS OF MULTI-HOP VOIP NETWORK 83
7.7 CONCLUSION 85
8 CUMULATIVE IMPACT OF INHOMOGENEOUS CHANNELS ON RISK 87 8. 1
INTRODUCTION 87
8.2 THE SINGLE CHANNEL MODEL 88
8.3 THE TWO-CHANNEL MODEL 89
8.4 THE N-CHANNEL MODEL 93
8.5 CONCLUSION 94
8.6 FURTHER EXTENSIONS OF THE TECHNIQUE 94
IMAGE 4
X CONTENTS
9 THE ECONOMICS OF VOIP SYSTEMS 95
9.1 INTRODUCTION 95
9.2 ECONOMY OF SCALE OF COMMUNICATION NETWORKS 96
9.3 ECONOMIC CHARACTERISTICS OF AN INFORMATION NETWORK 98 9.4 MAJOR
COMPONENTS OF A TELECOMMUNICATIONS NETWORK 100 9.5 THE INTEGRATED LOCAL
LOOP 102
9.6 ARCHITECTURAL DISSIMILARITIES BETWEEN THE INTERNET AND THE LEGACY
NETWORK 103
9.7 ACCESS NETWORK AS THE BOTTLENECK 104
9.8 PRICING OF INTERNET SERVICES 105
9.9 THE OVERALL IMPACT ON VOIP PRICING 106
9.10 THE LIKELY EVOLUTION TOWARD A SINGLE NETWORK 107
9.11 CONCLUSIONS 109
10 A NETWORK BASED AUTHENTICATION SCHEME FOR VOIP I LL
10.1 INTRODUCTION I LL
10.2 AUTHENTICATION 113
10.2.1 NEED FOR AUTHENTICATION 113
10.2.2 MUTUAL AUTHENTICATION VERSUS NETWORK AUTHENTICATION 113
10.3 COMPARATIVE ANALYSIS OF EXISTING AUTHENTICATION SCHEMES . . 114
10.4 PROPOSED REQUIREMENTS OF AUTHENTICATION 115
10.5 PROPOSED SCHEMES FOR AUTHENTICATION 115
10.5.1 PROPOSED SCHEME 115
10.5.2 ENHANCED PERFORMANCE 116
10.5.3 INTER-NETWORK AUTHENTICATION 118
10.6 CONCLUSION 118
11 CONCLUSIONS AND FUTURE WORK 119
REFERENCES 121
INDEX 127 |
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| dewey-tens | 000 - Computer science, information, general works 380 - Commerce, communications, transportation |
| discipline | Informatik Elektrotechnik / Elektronik / Nachrichtentechnik Wirtschaftswissenschaften |
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| spelling | Verma, Pramode K. Verfasser aut Voice over IP networks quality of service, pricing and security Pramode K. Verma ; Ling Wang Berlin [u.a.] Springer 2011 X, 130 S. txt rdacontent n rdamedia nc rdacarrier Lecture notes in electrical engineering 71 Netzwerktopologie (DE-588)4208537-8 gnd rswk-swf Authentifikation (DE-588)4330656-1 gnd rswk-swf Preisbildung (DE-588)4047103-2 gnd rswk-swf Internettelefonie (DE-588)4770362-3 gnd rswk-swf Dienstgüte (DE-588)4496068-2 gnd rswk-swf Internettelefonie (DE-588)4770362-3 s Netzwerktopologie (DE-588)4208537-8 s Dienstgüte (DE-588)4496068-2 s Preisbildung (DE-588)4047103-2 s Authentifikation (DE-588)4330656-1 s DE-604 Wang, Ling Verfasser (DE-588)141617152 aut Erscheint auch als Online-Ausgabe 978-3-642-14330-4 Lecture notes in electrical engineering 71 (DE-604)BV022422356 71 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3489743&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021126302&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Verma, Pramode K. Wang, Ling Voice over IP networks quality of service, pricing and security Lecture notes in electrical engineering Netzwerktopologie (DE-588)4208537-8 gnd Authentifikation (DE-588)4330656-1 gnd Preisbildung (DE-588)4047103-2 gnd Internettelefonie (DE-588)4770362-3 gnd Dienstgüte (DE-588)4496068-2 gnd |
| subject_GND | (DE-588)4208537-8 (DE-588)4330656-1 (DE-588)4047103-2 (DE-588)4770362-3 (DE-588)4496068-2 |
| title | Voice over IP networks quality of service, pricing and security |
| title_auth | Voice over IP networks quality of service, pricing and security |
| title_exact_search | Voice over IP networks quality of service, pricing and security |
| title_full | Voice over IP networks quality of service, pricing and security Pramode K. Verma ; Ling Wang |
| title_fullStr | Voice over IP networks quality of service, pricing and security Pramode K. Verma ; Ling Wang |
| title_full_unstemmed | Voice over IP networks quality of service, pricing and security Pramode K. Verma ; Ling Wang |
| title_short | Voice over IP networks |
| title_sort | voice over ip networks quality of service pricing and security |
| title_sub | quality of service, pricing and security |
| topic | Netzwerktopologie (DE-588)4208537-8 gnd Authentifikation (DE-588)4330656-1 gnd Preisbildung (DE-588)4047103-2 gnd Internettelefonie (DE-588)4770362-3 gnd Dienstgüte (DE-588)4496068-2 gnd |
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