QOS enabled networks : tools and foundations

QOS enabled networks tools and foundations

With a foreword by Kannan Kothandaraman "This is the first book about QOS that I actually enjoyed reading precisely because the authors focused on real-life QoS and not in academic discussions about it." Per Nihlen, IP Network Manager, NORDUnet The new authoritative, practical guide to del...

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Detalles Bibliográficos
Otros Autores: Barreiros, Miguel, 1977- (-), Lundqvist, Peter, 1968-
Formato: Libro electrónico
Idioma:Inglés
Publicado: Hoboken, N.J. : Wiley 2011.
Edición:1st edition
Colección:Wiley series in communications networking & distributed systems.
Materias:
Computer networks > Quality control.
Packet switching (Data transmission)
Telecommunication > Quality control.
Telecommunication > Customer services.
Telecommunication systems > Evaluation.
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009628186806719
Tabla de Contenidos:
  • About the Authors
  • Foreword
  • Preface
  • Acknowledgements
  • Abbreviations
  • PART I THE QOS REALM
  • 1 The QOS world
  • 1.1 Operation and Signaling
  • 1.2 Standards and Per-Hop Behavior
  • 1.3 Traffic Characterization
  • 1.4 A Router without QOS
  • 1.5 Conclusion
  • References
  • Further Reading
  • 2 The QOS Tools
  • 2.1 Classifiers and Classes of Service
  • 2.2 Metering and Coloring / CIR/PIR Model
  • 2.3 The Policer Tool
  • 2.4 The Shaper Function
  • 2.5 Comparing Policing and Shaping
  • 2.6 Queue
  • 2.7 The Scheduler
  • 2.8 The Rewrite Tool
  • 2.9 Example of Combining Tools
  • 2.10 Delay and Jitter Insertion
  • 2.11 Packet Loss
  • 2.12 Conclusion
  • Reference.
  • 3 Challenges
  • 3.1 Defining the Classes of Service
  • 3.2 Classes of Service and Queues Mapping
  • 3.3 Inherent Delay Factors
  • 3.4 Congestion Points
  • 3.5 Trust Borders
  • 3.6 Granularity Levels
  • 3.7 Control Traffic
  • 3.8 Trust, Granularity, and Control Traffic
  • 3.9 Conclusion
  • Further Reading.
  • 4 Traffic Types
  • 4.1 Anatomy of the TCP Protocol
  • 4.2 The TCP Session
  • 4.3 TCP Congestion Mechanism
  • 4.4 TCP Congestion Scenario
  • 4.5 PMTU
  • 4.6 QOS Conclusions for TCP
  • 4.7 Real-Time Traffic
  • 4.8 Anatomy of Real-Time Traffic
  • 4.9 RTP
  • 4.10 VOIP
  • 4.11 QOS Conclusions for VOIP
  • 4.12 IPTV
  • 4.13 Long-lived versus Short-lived Sessions
  • 4.14 Example of Internet Radio/Video
  • 4.15 Example of Peer-to-Peer (P2P) Applications
  • 4.16 Discovering P2P on the Network
  • 4.17 Illegal File Sharing and Copyright Violation
  • 4.18 QOS Conclusions for New Internet Applications
  • References
  • Further Reading
  • PAER II TOOLS
  • 5 Classifiers
  • 5.1 Packet QOS Markings
  • 5.2 Inbound Interface Information
  • 5.3 Deep Packet inspection
  • 5.4 Selecting Classifiers
  • 5.5 The QOS Network Perspective
  • 5.6 MPLS DiffServ-TE
  • 5.7 Mixing Different QOS Realms
  • 5.8 Conclusions
  • References
  • 6 Policing and Shaping
  • 6.1 Token Buckets
  • 6.2 Traffic Bursts
  • 6.3 Dual-Rate Token Buckets.
  • 6.4 Shapers and Leaky Buckets
  • 6.5 Excess Traffic and Oversubscription
  • 6.6 Comparing and Applying Policer and Shaper Tools
  • 6.7 Conclusion
  • Reference
  • 7 Queuing and Scheduling
  • 7.1 Queuing and Scheduling Concepts
  • 7.2 Packets and Cellification
  • 7.3 Different Types of Queuing Disciplines
  • 7.4 FIFO - First in, First out
  • 7.5 Fair Queuing
  • 7.6 Priority Queuing
  • 7.7 Weighted Fair Queueing
  • 7.8 Weighted Round Robin
  • 7.9 Deficit Weighted Round Robin
  • 7.10 Priority-Based Deficit Weighted Round Robin
  • 7.10 Conclusions about the Best Queuing Discipline
  • Further Reading
  • 8 Advanced Queueing topics
  • 8.1 Hierarchical Scheduling
  • 8.2 Queues Lengths and Buffer Size
  • 8.3 Dynamically Sized versus Fixed-size Queue Buffers
  • 8.4 RED - Random Early Discard
  • 8.5 Using RED with TCP Sessions
  • 8.6 Differentiating Traffic Inside a Queue with WRED
  • 8.7 Head versus Tail RED
  • 8.8 Segmented and interpolated RED Profiles
  • 8.9 Conclusion
  • Further Reading
  • PART III CASE STUDIES
  • 9 The VPLS Case Study
  • 9.1 High-Level Case Study Overview
  • 9.2 Virtual Private Networks
  • 9.3 Service Overview
  • 9.4 Service Technical Implementation
  • 9.5 Network Internals
  • 9.6 Classes of Service and Queue Mapping
  • 9.7 Classification and Trust Borders
  • 9.8 Admission Control
  • 9.9 Rewrite Rules
  • 9.10 Absorbing Traffic Bursts at the Egress
  • 9.11 Queues and Scheduling at Core-Facing Interfaces
  • 9.12 Queues and Scheduling at Customer-Facing Interfaces
  • 9.13 Tracing a Packet Through the Network
  • 9.14 Adding More Services
  • 9.15 Multicast Traffic
  • 9.16 Using Bandwidth Reservations
  • 9.17 Conclusion
  • Further Reading
  • 10 Case Study IP RAN and Mobile Backhaul QOS
  • 10.1 Evolution from 2G to 4G
  • 10.2 2G Network Components
  • 10.3 Traffic on 2G Networks
  • 10.4 3G Network Components
  • 10.5 Traffic on 3G Networks
  • 10.6 LTE Network Components
  • 10.7 LTE Traffic Types
  • 10.8 LTE Traffic Classes
  • 10.9 Conclusion
  • References
  • Further Reading.
  • 11 Conclusion
  • Index.

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