Technical, commercial and regulatory challenges of QoS: an Internet service model perspective
"Provides a comprehensive examination of Internet QoS theory, standards, vendor implementation and network deployment from the practitioner's point of view, including extensive discussion of related economic and regulatory issues. The material is presented in a technology-light manner, all...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Amsterdam ; Heidelberg <<[u.a.]>>
Morgan Kaufmann
2008
|
| Schriftenreihe: | The Morgan Kaufmann series in networking
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Zusammenfassung: | "Provides a comprehensive examination of Internet QoS theory, standards, vendor implementation and network deployment from the practitioner's point of view, including extensive discussion of related economic and regulatory issues. The material is presented in a technology-light manner, allowing a variety of professionals and researchers in the information and networking industries to utilize this material. "Key coverage includes defining a clear business model for selling and buying QoS in relation to current and future direction of government regulation and QoS interoperability (or lack thereof) between carriers and networking devices. It also demonstrates how to improve the current QoS model to create a clear selling point, less regulation uncertainty, and higher chance of deployment success. The author discusses important improvements including QoS re-packaging to end-users; economic and regulatory benefits of the re-packaging; and the overall benefits of an improved technical approach."--BOOK JACKET |
| Beschreibung: | Includes bibliographical references and index |
| Beschreibung: | XXI, 286 S. Ill. |
| ISBN: | 9780123736932 |
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| 520 | |a "Key coverage includes defining a clear business model for selling and buying QoS in relation to current and future direction of government regulation and QoS interoperability (or lack thereof) between carriers and networking devices. It also demonstrates how to improve the current QoS model to create a clear selling point, less regulation uncertainty, and higher chance of deployment success. The author discusses important improvements including QoS re-packaging to end-users; economic and regulatory benefits of the re-packaging; and the overall benefits of an improved technical approach."--BOOK JACKET | ||
| 650 | 4 | |a Politik | |
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Datensatz im Suchindex
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| adam_text | Titel: Technical, commercial and regulatory challenges of QoS
Autor: Xiao, XiPeng
Jahr: 2008
Contents
list of Endorsements..............................................................................................xi
Preface..................................................................................................................xiii
Acknowledgements..............................................................................................xix
About the Author..................................................................................................xxi
CHAPTER 1 Introduction..............................................................1
The Big Picture.....................................................................................1
High-Level Overview of How the Internetworks................................5
PARTI THE STATUS QUO_______________________________
CHAPTER 2 What Is QoS?..........................................................13
QoS Is Good User Perception.............................................................13
What Factors Determine the End Users QoS Perception?.................14
Delay............................................................................................15
Delay Variation.............................................................................16
Packet Loss Ratio.........................................................................17
The Bandwidth Factor.................................................................18
QoS Requirements of Voice, Video, and Data Applications.................18
End-to-End Requirements of Voice..............................................20
End-to-End Requirements of Interactive Video............................20
End-to-End Requirements of Non-Interactive Video....................21
End-to-End Requirements of Interactive and
Non-Interactive Data................................................................22
Performance of IP Networks..............................................................22
An Optimistic View......................................................................22
A Conservative View....................................................................24
A Realistic View...........................................................................30
A Seeming Contradiction in Performance Perception.................34
Summary.............................................................................................34
CHAPTER 3 Historic Evolution of QoS Solutions...........................37
PSTN Solution.....................................................................................38
Layer-2 QoS Solutions.........................................................................39
ATM QoS......................................................................................39
Frame Relay QoS..........................................................................41
vi Contents
Ethernet QoS...............................................................................41
IP QoS Solutions.................................................................................43
Integrated Services......................................................................44
Differentiated Services.................................................................45
Hybrid IntservDiffserv.................................................................47
Over Provisioning........................................................................47
Transport-Layer and Application-Layer Solutions................................48
ITU/ETSI QoS Approach, RACS..........................................................50
Final Observations..............................................................................50
Summary.............................................................................................51
CHAPTER 4 Contemporary QoS Wisdom......................................53
Business Model...................................................................................53
Soft Assurance vs. Hard Assurance...............................................54
On-Demand QoS vs. Subscription-Based QoS..............................56
Technical Solution..............................................................................56
A Common Technical Solution.....................................................57
Some Observations about the Technical Solution.......................63
Summary.............................................................................................64
CHAPTER 5 QoS Reality.............................................................65
Network Performance Reality............................................................65
Commercial Reality............................................................................66
SLA Is in Place..............................................................................66
SLA Is Loose.................................................................................74
There Is No QoS Agreement among NSPs...................................74
There Are Few Commercial Successes........................................74
Summary.............................................................................................76
PART 2 THE CHALLENGES________________________________
CHAPTER 6 Commercial Challenges...........................................79
The Who Should Get Challenge.......................................................79
The How to Sell Challenge...............................................................80
The Double Selling Difficulty....................................................80
The Evidence of Poor Quality Difficulty....................................80
The What Assurance to Provide Difficulty.................................81
The Who Should Pay Challenge.......................................................82
Business Pay or Consumer Pay?...................................................82
Calling Consumers Pay or Receiving Consumers Pay?................84
The Lack of Interprovider Settlement Challenge.............................85
Summary.............................................................................................87
Contents vii
CHAPTER 7 Regulatory Challenges.............................................89
The Net Neutrality Debate.................................................................89
Arising of Net Neutrality..............................................................89
The Interest Conflict between the Hosts and the Parasites ..... 91
The Net Neutrality Proponent s View..........................................92
The Opponent s View..................................................................94
The General Public and the Network Industry s View................96
Clarifying Some Common Misconceptions about
Net Neutrality..........................................................................97
The Gist of Net Neutrality.........................................................100
Can Structural Separation Be an Alternative to
Net Neutrality?.......................................................................101
The Consequences of the Net Neutrality Debate.............................103
Government Regulation Uncertainty.........................................103
The Impact of Net Neutrality on QoS...............................................106
Regulatory Environment in Other Countries...................................107
Summary...........................................................................................Ill
CHAPTER 8 Technical Challenges............................................113
Integration Challenge.......................................................................113
Traffic Management...................................................................113
Routing......................................................................................114
Traffic Engineering and MPLS....................................................115
CDN...........................................................................................117
Integration Challenge................................................................117
Complexity Challenge......................................................................118
Complexity/Control Spiral.........................................................118
Complexity Comparison between Internet and PSTN..............119
Impact of Complexity on Network Reliability and QoS............120
Interoperability Challenge................................................................123
Inter-Provider Interoperability Challenge..................................123
Inter-Vendor Interoperability Challenge....................................124
Accounting Challenge......................................................................126
Differentiation Challenge.................................................................126
Differentiation Difficulty under Normal Network Condition.... 127
Differentiation Difficulty under Abnormal Network
Conditions..............................................................................132
Poor Performance Happens but CoS Won t Be the Solution......133
Summary...........................................................................................135
CHAPTER 9 The Lessons.........................................................137
QoS Is More Than CoS and Traffic Management...............................137
It Is Difficult to Differentiate Multiple CoS s....................................138
viii Contents
Lack of Differentiation Causes Commercial and
Regulatory Challenges..................................................................138
Putting Things Together: Discussion on QoS on Demand and
Bandwidth on Demand.................................................................139
QoS on Demand.........................................................................140
Bandwidth on Demand..............................................................141
Summary...........................................................................................142
PART 3 THE NEXT STEP________________________________
CHAPTER 10 The New Business Model.......................................147
The New Baseline.............................................................................148
Price QoS into the Services; Don t Sell QoS Explicitly..............148
How the Proposed Model Deals with the Commercial,
Regulatory, andTechnical Challenges...........................................149
Meeting the Commercial Challenges.........................................149
Meeting the Regulatory Challenges...........................................150
Meeting the Technical Challenges.............................................150
The Possible Concerns.....................................................................151
Are We Giving up QoS?..............................................................151
Without Explicit Selling of QoS, will Network Services
Become Commodity?.............................................................153
Will this Model Turn NSPs into Dumb Pipers?...........................153
Are NSPs Forcing Their Customers to Subsidize the ICPs?........154
The Historic Pricing Trend of Communications Services.................155
Postal Service Pricing Became Simpler over Time.....................157
Telephone Service Pricing Became Simpler over Time.............159
The Correlation between Pricing Scheme and Usage Growth.........160
Evolution of Postal Service Usage..............................................160
Evolution of Telephone Service Usage......................................163
How Comparable Are Postal and Telephone Services to Internet
Service?........................................................................................165
Why the Proposed Model Is Good for the Industry......................... 166
Fewer Commercial, Regulatory, and Technical Challenges........166
Better Stimulus for Usage Growth.............................................167
Better Focus on Real Revenue Opportunities...........................167
The Early Evidence...........................................................................167
The Possible Customizations............................................................168
Summary...........................................................................................168
CHAPTER 11 The New Technical Approach.................................171
Network Planning.............................................................................172
Derive Traffic Matrix, Analyze Traffic Trend...............................173
Contents ix
Plan Network Capacity..............................................................176
Plan Routing Policies.................................................................176
Plan for the Most Catastrophic Events.......................................178
Security Consideration..............................................................179
Network Auditing.............................................................................179
Check for Misconflgurations......................................................180
Check for Sudden Changes........................................................181
Check for Security Loopholes...................................................182
Traffic Control..................................................................................182
Traffic Engineering....................................................................183
Traffic Protection and Restoration.............................................186
Traffic Management...................................................................189
Traffic Optimization.........................................................................190
CDN...........................................................................................190
Route Control............................................................................191
Performance Measurement...............................................................191
Statistics Collection...................................................................191
Statistics Analysis........................................................................192
Control Schemes That Are Not Recommended................................192
RACS..........................................................................................192
Diffserv-awareTE.......................................................................193
Differences from the Traditional QoS Approach...............................194
Benefits of the Proposed Approach..................................................194
Simplified Network Operations.................................................195
Simplified Network Equipment.................................................195
The Early Evidence...........................................................................195
Summary...........................................................................................198
CHAPTER 12 Case Studies........................................................201
Case Study 1: Delivering QoS at Internet2
(by BenTeitelbaum and Stanislav Shalunov).................................202
Introduction to Internet2..........................................................202
Original QoS Deployment Plan of Internet2.............................203
Actual Deployment Experience.................................................208
Lessons Learned.........................................................................209
Conclusion.................................................................................213
About the Contributors.............................................................214
Case Study 2: Delivering QoS at Internap (by Ricky Duman)...........214
Introduction to Internap...........................................................214
Internet Performance Problems.................................................215
Internap s Performance Solutions..............................................216
Results........................................................................................221
Conclusion.................................................................................222
Contents
About the Contributor...............................................................223
Summary...........................................................................................223
CHAPTER 13 QoS in Wireless Networks.....................................225
How QoS Differs in Wireless and Wireline Networks.......................226
Transmission Constraint............................................................226
Spectrum Constraint..................................................................227
Energy Constraint......................................................................227
QoS in Wi-Fi Networks......................................................................227
Wi-Fi Operation.........................................................................228
Wi-Fi QoS Model........................................................................230
Summary ofWi-Fi QoS...............................................................233
QoS in WiMAX Networks.................................................................236
WiMAX Operation.....................................................................237
WiMAX QoS Model....................................................................238
Summary of WiMAX QoS...........................................................243
Wi-Fi QoS versus WiMAX QoS..........................................................243
Summary...........................................................................................244
About the Contributors....................................................................245
CHAPTER 14 Conclusion...........................................................247
APPENDIX A List of Acronyms....................................................251
APPENDIX B Sample Peering Contract........................................255
APPENDIX C U. S. Senate Bill S215, Internet Freedom
Preservation Act.....................................................261
References.................................................................................267
Index..........................................................................................275
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| spelling | Xiao, XiPeng Verfasser aut Technical, commercial and regulatory challenges of QoS an Internet service model perspective XiPeng Xiao Amsterdam ; Heidelberg <<[u.a.]>> Morgan Kaufmann 2008 XXI, 286 S. Ill. txt rdacontent n rdamedia nc rdacarrier The Morgan Kaufmann series in networking Includes bibliographical references and index "Provides a comprehensive examination of Internet QoS theory, standards, vendor implementation and network deployment from the practitioner's point of view, including extensive discussion of related economic and regulatory issues. The material is presented in a technology-light manner, allowing a variety of professionals and researchers in the information and networking industries to utilize this material. "Key coverage includes defining a clear business model for selling and buying QoS in relation to current and future direction of government regulation and QoS interoperability (or lack thereof) between carriers and networking devices. It also demonstrates how to improve the current QoS model to create a clear selling point, less regulation uncertainty, and higher chance of deployment success. The author discusses important improvements including QoS re-packaging to end-users; economic and regulatory benefits of the re-packaging; and the overall benefits of an improved technical approach."--BOOK JACKET Politik Computer networks Management Computer networks Quality control Internet service providers Internet Government policy Internet (DE-588)4308416-3 gnd rswk-swf Service provider (DE-588)4406690-9 gnd rswk-swf Dienstgüte (DE-588)4496068-2 gnd rswk-swf Internet (DE-588)4308416-3 s Service provider (DE-588)4406690-9 s Dienstgüte (DE-588)4496068-2 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=018595792&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Xiao, XiPeng Technical, commercial and regulatory challenges of QoS an Internet service model perspective Politik Computer networks Management Computer networks Quality control Internet service providers Internet Government policy Internet (DE-588)4308416-3 gnd Service provider (DE-588)4406690-9 gnd Dienstgüte (DE-588)4496068-2 gnd |
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| title | Technical, commercial and regulatory challenges of QoS an Internet service model perspective |
| title_auth | Technical, commercial and regulatory challenges of QoS an Internet service model perspective |
| title_exact_search | Technical, commercial and regulatory challenges of QoS an Internet service model perspective |
| title_full | Technical, commercial and regulatory challenges of QoS an Internet service model perspective XiPeng Xiao |
| title_fullStr | Technical, commercial and regulatory challenges of QoS an Internet service model perspective XiPeng Xiao |
| title_full_unstemmed | Technical, commercial and regulatory challenges of QoS an Internet service model perspective XiPeng Xiao |
| title_short | Technical, commercial and regulatory challenges of QoS |
| title_sort | technical commercial and regulatory challenges of qos an internet service model perspective |
| title_sub | an Internet service model perspective |
| topic | Politik Computer networks Management Computer networks Quality control Internet service providers Internet Government policy Internet (DE-588)4308416-3 gnd Service provider (DE-588)4406690-9 gnd Dienstgüte (DE-588)4496068-2 gnd |
| topic_facet | Politik Computer networks Management Computer networks Quality control Internet service providers Internet Government policy Internet Service provider Dienstgüte |
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