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QOS-enabled networks : tools and foundations / / Miguel Barreiros, Peter Lundqvist
QOS-enabled networks : tools and foundations / / Miguel Barreiros, Peter Lundqvist
Autore Barreiros Miguel <1977->
Edizione [Second edition.]
Pubbl/distr/stampa Chichester, West Sussex, UK : , : John Wiley & Sons Inc., , 2016
Descrizione fisica 1 online resource (256 p.)
Disciplina 004.6
Collana Wiley series on communications networking & distributed systems
Wiley series in communications networking & distributed systems
Soggetto topico Computer networks - Quality control
Telecommunication - Traffic
Telecommunication systems - Evaluation
ISBN 1-119-10912-4
1-119-10911-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto -- About the Authors x -- Foreword xi -- Preface xiii -- Acknowledgments xv -- Abbreviations xvi -- Part I THE QOS REALM 1 -- 1 The QOS World 3 -- 1.1 Operation and Signaling 4 -- 1.2 Standards and Per?]Hop Behavior 5 -- 1.3 Traffic Characterization 8 -- 1.4 A Router without QOS 11 -- 1.5 Conclusion 12 -- References 12 -- Further Reading 12 -- 2 The QOS Tools 13 -- 2.1 Classifiers and Classes of Service 13 -- 2.2 Metering and Coloring - CIR/PIR Model 15 -- 2.3 The Policer Tool 16 -- 2.4 The Shaper Function 17 -- 2.5 Comparing Policing and Shaping 18 -- 2.6 Queue 19 -- 2.7 The Scheduler 21 -- 2.8 The Rewrite Tool 21 -- 2.9 Example of Combining Tools 23 -- 2.10 Delay and Jitter Insertion 27 -- 2.11 Packet Loss 31 -- 2.12 Conclusion 32 -- Reference 33 -- 3 Challenges 34 -- 3.1 Defining the Classes of Service 35 -- 3.2 Classes of Service and Queues Mapping 37 -- 3.3 Inherent Delay Factors 40 -- 3.4 Congestion Points 46 -- 3.5 Trust Borders 49 -- 3.6 Granularity Levels 51 -- 3.7 Control Traffic 53 -- 3.8 Trust, Granularity, and Control Traffic 54 -- 3.9 Conclusion 56 -- Further Reading 56 -- 4 Special Traffic Types and Networks 57 -- 4.1 Layer 4 Transport Protocols: UDP and TCP 58 -- 4.1.1 The TCP Session 61 -- 4.1.2 TCP Congestion Mechanism 64 -- 4.1.3 TCP Congestion Scenario 65 -- 4.1.4 TCP and QOS 66 -- 4.2 Data Center 67 -- 4.2.1 SAN Traffic 68 -- 4.2.2 Lossless Ethernet Networks 69 -- 4.2.3 Virtualization 71 -- 4.2.4 Software Defined Networks 73 -- 4.2.5 DC and QOS 74 -- 4.3 Real?]Time Traffic 74 -- 4.3.1 Control and Data Traffic 75 -- 4.3.2 Voice over IP 76 -- 4.3.3 IPTV 78 -- 4.3.4 QOS and Real?]Time Traffic 79 -- Reference 80 -- Further Reading 80 -- Part II TOOLS 81 -- 5 Classifiers 83 -- 5.1 Packet QOS Markings 84 -- 5.2 Inbound Interface Information 85 -- 5.3 Deep Packet Inspection 87 -- 5.4 Selecting Classifiers 88 -- 5.5 The QOS Network Perspective 89 -- 5.6 MPLS DiffServ?]TE 92 -- 5.7 Mixing Different QOS Realms 94 -- 5.8 Conclusion 99 -- References 100 -- 6 Policing and Shaping 101.
6.1 Token Buckets 101 -- 6.2 Traffic Bursts 106 -- 6.3 Dual?]Rate Token Buckets 109 -- 6.4 Shapers and Leaky Buckets 110 -- 6.5 Excess Traffic and Oversubscription 112 -- 6.6 Comparing and Applying Policer and Shaper Tools 113 -- 6.7 Conclusion 116 -- Reference 116 -- 7 Queuing and Scheduling 117 -- 7.1 Queuing and Scheduling Concepts 117 -- 7.2 Packets and Cellification 119 -- 7.3 Different Types of Queuing Disciplines 121 -- 7.4 FIFO 121 -- 7.5 FQ 123 -- 7.6 PQ 125 -- 7.7 WFQ 127 -- 7.8 WRR 128 -- 7.9 DWRR 131 -- 7.10 PB?]DWRR 137 -- 7.11 Conclusions about the Best Queuing Discipline 141 -- Further Reading 142 -- 8 Advanced Queuing Topics 143 -- 8.1 Hierarchical Scheduling 143 -- 8.2 Queue Lengths and Buffer Size 146 -- 8.3 Dynamically Sized versus Fixed?]Size Queue Buffers 149 -- 8.4 RED 150 -- 8.5 Using RED with TCP Sessions 152 -- 8.6 Differentiating Traffic inside a Queue with WRED 154 -- 8.7 Head versus Tail RED 156 -- 8.8 Segmented and Interpolated RED Profiles 158 -- 8.9 Conclusion 160 -- Reference 161 -- Further Reading 161 -- Part III CASE STUDIES 163 -- 9 The VPLS Case Study 165 -- 9.1 High?]Level Case Study Overview 166 -- 9.2 Virtual Private Networks 167 -- 9.3 Service Overview 168 -- 9.4 Service Technical Implementation 170 -- 9.5 Network Internals 171 -- 9.6 Classes of Service and Queue Mapping 172 -- 9.7 Classification and Trust Borders 174 -- 9.8 Admission Control 175 -- 9.9 Rewrite Rules 176 -- 9.10 Absorbing Traffic Bursts at the Egress 179 -- 9.11 Queues and Scheduling at Core?]Facing Interfaces 179 -- 9.12 Queues and Scheduling at Customer?]Facing Interfaces 182 -- 9.13 Tracing a Packet through the Network 183 -- 9.14 Adding More Services 186 -- 9.15 Multicast Traffic 188 -- 9.16 Using Bandwidth Reservations 190 -- 9.17 Conclusion 191 -- Further Reading 191 -- 10 Case Study QOS in the Data Center 192 -- 10.1 The New Traffic Model for Modern Data Centers 192 -- 10.2 The Industry Consensus about Data Center Design 196 -- 10.3 What Causes Congestion in the Data Center? 199.
10.3.1 Oversubscription versus Microbursts 199 -- 10.3.2 TCP Incast Problem 202 -- 10.4 Conclusions 205 -- Further Reading 207 -- 11 Case Study IP RAN and Mobile Backhaul QOS 208 -- 11.1 Evolution from 2G to 4G 208 -- 11.2 2G Network Components 209 -- 11.3 Traffic on 2G Networks 211 -- 11.4 3G Network Components 211 -- 11.5 Traffic on 3G Networks 215 -- 11.6 LTE Network Components 216 -- 11.7 LTE Traffic Types 219 -- 11.8 LTE Traffic Classes 220 -- 11.9 Conclusion 224 -- References 227 -- Further Reading 227 -- 12 Conclusion 228 -- Index 230.
Record Nr. UNINA-9910137421403321
Barreiros Miguel <1977->  
Chichester, West Sussex, UK : , : John Wiley & Sons Inc., , 2016
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
QOS-enabled networks : tools and foundations / / Miguel Barreiros, Peter Lundqvist
QOS-enabled networks : tools and foundations / / Miguel Barreiros, Peter Lundqvist
Autore Barreiros Miguel <1977->
Edizione [Second edition.]
Pubbl/distr/stampa Chichester, West Sussex, UK : , : John Wiley & Sons Inc., , 2016
Descrizione fisica 1 online resource (256 p.)
Disciplina 004.6
Collana Wiley series on communications networking & distributed systems
Wiley series in communications networking & distributed systems
Soggetto topico Computer networks - Quality control
Telecommunication - Traffic
Telecommunication systems - Evaluation
ISBN 1-119-10912-4
1-119-10911-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto -- About the Authors x -- Foreword xi -- Preface xiii -- Acknowledgments xv -- Abbreviations xvi -- Part I THE QOS REALM 1 -- 1 The QOS World 3 -- 1.1 Operation and Signaling 4 -- 1.2 Standards and Per?]Hop Behavior 5 -- 1.3 Traffic Characterization 8 -- 1.4 A Router without QOS 11 -- 1.5 Conclusion 12 -- References 12 -- Further Reading 12 -- 2 The QOS Tools 13 -- 2.1 Classifiers and Classes of Service 13 -- 2.2 Metering and Coloring - CIR/PIR Model 15 -- 2.3 The Policer Tool 16 -- 2.4 The Shaper Function 17 -- 2.5 Comparing Policing and Shaping 18 -- 2.6 Queue 19 -- 2.7 The Scheduler 21 -- 2.8 The Rewrite Tool 21 -- 2.9 Example of Combining Tools 23 -- 2.10 Delay and Jitter Insertion 27 -- 2.11 Packet Loss 31 -- 2.12 Conclusion 32 -- Reference 33 -- 3 Challenges 34 -- 3.1 Defining the Classes of Service 35 -- 3.2 Classes of Service and Queues Mapping 37 -- 3.3 Inherent Delay Factors 40 -- 3.4 Congestion Points 46 -- 3.5 Trust Borders 49 -- 3.6 Granularity Levels 51 -- 3.7 Control Traffic 53 -- 3.8 Trust, Granularity, and Control Traffic 54 -- 3.9 Conclusion 56 -- Further Reading 56 -- 4 Special Traffic Types and Networks 57 -- 4.1 Layer 4 Transport Protocols: UDP and TCP 58 -- 4.1.1 The TCP Session 61 -- 4.1.2 TCP Congestion Mechanism 64 -- 4.1.3 TCP Congestion Scenario 65 -- 4.1.4 TCP and QOS 66 -- 4.2 Data Center 67 -- 4.2.1 SAN Traffic 68 -- 4.2.2 Lossless Ethernet Networks 69 -- 4.2.3 Virtualization 71 -- 4.2.4 Software Defined Networks 73 -- 4.2.5 DC and QOS 74 -- 4.3 Real?]Time Traffic 74 -- 4.3.1 Control and Data Traffic 75 -- 4.3.2 Voice over IP 76 -- 4.3.3 IPTV 78 -- 4.3.4 QOS and Real?]Time Traffic 79 -- Reference 80 -- Further Reading 80 -- Part II TOOLS 81 -- 5 Classifiers 83 -- 5.1 Packet QOS Markings 84 -- 5.2 Inbound Interface Information 85 -- 5.3 Deep Packet Inspection 87 -- 5.4 Selecting Classifiers 88 -- 5.5 The QOS Network Perspective 89 -- 5.6 MPLS DiffServ?]TE 92 -- 5.7 Mixing Different QOS Realms 94 -- 5.8 Conclusion 99 -- References 100 -- 6 Policing and Shaping 101.
6.1 Token Buckets 101 -- 6.2 Traffic Bursts 106 -- 6.3 Dual?]Rate Token Buckets 109 -- 6.4 Shapers and Leaky Buckets 110 -- 6.5 Excess Traffic and Oversubscription 112 -- 6.6 Comparing and Applying Policer and Shaper Tools 113 -- 6.7 Conclusion 116 -- Reference 116 -- 7 Queuing and Scheduling 117 -- 7.1 Queuing and Scheduling Concepts 117 -- 7.2 Packets and Cellification 119 -- 7.3 Different Types of Queuing Disciplines 121 -- 7.4 FIFO 121 -- 7.5 FQ 123 -- 7.6 PQ 125 -- 7.7 WFQ 127 -- 7.8 WRR 128 -- 7.9 DWRR 131 -- 7.10 PB?]DWRR 137 -- 7.11 Conclusions about the Best Queuing Discipline 141 -- Further Reading 142 -- 8 Advanced Queuing Topics 143 -- 8.1 Hierarchical Scheduling 143 -- 8.2 Queue Lengths and Buffer Size 146 -- 8.3 Dynamically Sized versus Fixed?]Size Queue Buffers 149 -- 8.4 RED 150 -- 8.5 Using RED with TCP Sessions 152 -- 8.6 Differentiating Traffic inside a Queue with WRED 154 -- 8.7 Head versus Tail RED 156 -- 8.8 Segmented and Interpolated RED Profiles 158 -- 8.9 Conclusion 160 -- Reference 161 -- Further Reading 161 -- Part III CASE STUDIES 163 -- 9 The VPLS Case Study 165 -- 9.1 High?]Level Case Study Overview 166 -- 9.2 Virtual Private Networks 167 -- 9.3 Service Overview 168 -- 9.4 Service Technical Implementation 170 -- 9.5 Network Internals 171 -- 9.6 Classes of Service and Queue Mapping 172 -- 9.7 Classification and Trust Borders 174 -- 9.8 Admission Control 175 -- 9.9 Rewrite Rules 176 -- 9.10 Absorbing Traffic Bursts at the Egress 179 -- 9.11 Queues and Scheduling at Core?]Facing Interfaces 179 -- 9.12 Queues and Scheduling at Customer?]Facing Interfaces 182 -- 9.13 Tracing a Packet through the Network 183 -- 9.14 Adding More Services 186 -- 9.15 Multicast Traffic 188 -- 9.16 Using Bandwidth Reservations 190 -- 9.17 Conclusion 191 -- Further Reading 191 -- 10 Case Study QOS in the Data Center 192 -- 10.1 The New Traffic Model for Modern Data Centers 192 -- 10.2 The Industry Consensus about Data Center Design 196 -- 10.3 What Causes Congestion in the Data Center? 199.
10.3.1 Oversubscription versus Microbursts 199 -- 10.3.2 TCP Incast Problem 202 -- 10.4 Conclusions 205 -- Further Reading 207 -- 11 Case Study IP RAN and Mobile Backhaul QOS 208 -- 11.1 Evolution from 2G to 4G 208 -- 11.2 2G Network Components 209 -- 11.3 Traffic on 2G Networks 211 -- 11.4 3G Network Components 211 -- 11.5 Traffic on 3G Networks 215 -- 11.6 LTE Network Components 216 -- 11.7 LTE Traffic Types 219 -- 11.8 LTE Traffic Classes 220 -- 11.9 Conclusion 224 -- References 227 -- Further Reading 227 -- 12 Conclusion 228 -- Index 230.
Record Nr. UNINA-9910810056903321
Barreiros Miguel <1977->  
Chichester, West Sussex, UK : , : John Wiley & Sons Inc., , 2016
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui