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Quality of Service in ATM Networks: State-of-the-Art Traffic Management, 1/e
Natalie Giroux, Newbridge Networks
Sudhakar Ganti, Newbridge Networks
Published November, 1998 by Prentice Hall PTR (ECS Professional)
Copyright 1999, 400 pp.
Cloth
ISBN 0-13-095387-3
$61.00
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Efficient deployment of multi-service ATM networks.
The convergence of multiple networks into single multi-service networks has resulted in explosive growth in the deployment of ATM technology. As increasing numbers of business-critical applications depend on ATM, meeting the quality of service requirements demanded by the various applications, while still achieving efficient resource usage, becomes a critical objective. Quality of Service in ATM Networks brings together the latest traffic management techniques that enable a network to meet such objectives.
Network engineers will learn the generic elements required to manage the quality of the multiple services deployed on the network, the implementation of these elements and their relative value with respect to complexity and efficiency. Quality of Service in ATM Networks discusses the following areas :
- Traffic conformance-conformance definitions, policing, shaping and "soft-policing"
- Connection admission control
- Queuing, scheduling and switching
- Flow and congestion control
- Managing IP and Frame Relay traffic over ATM networks
- Example of a scaleable network design
- The traffic contract
Based on the up-to-date standards developed by the ATM Forum and the ITU-T, this book provides detailed descriptions of ATM's traffic management capabilities, focusing on maximizing the network efficiency. Covering all standard functions and procedures as well as non-standardized elements, it includes both high-level descriptions and detailed analysis. Where appropriate, mathematical models are also supplied. Quality of Service in ATM Networks is a complete reference work for students, engineers, service providers and anyone whose success depends on a reliable ATM network.
NATALIE GIROUX is Director of Performance Engineering for Newbridge Network Corporation. Since 1994, she has been chairing the Traffic Management working group at the ATM Forum. She holds a M.Sc in computer simulation from Université Laval in Québec City. Prior to joining Newbridge, she worked as a performance analyst for Bell Northern Research in Ottawa.
SUDHAKAR GANTI, Ph.D, is a senior performance analyst at Newbridge Networks Corporation. He obtained his degree from University of Ottawa in 1993. Prior to joining Newbridge, he worked as a performance analyst for Bell Northern Research in Ottawa, as faculty member at Nanyang Technological University Singapore and as a Research Engineer at IIT Kanpur in India. He has published papers in the area of network performance.
(NOTE: Each chapter ends with a Review and References).
1. The Challenges of Managing ATM Traffic.
Standardization of ATM Traffic Management. Components of Traffic Management. Basic ATM Principles.
2. The Traffic Contract.
Service Categories. Quality-of-Service Parameters. Traffic Descriptors. Service Classes. Negotiating the Traffic Contract with the Network. Measuring the Delay Parameters.
3. Traffic Conformance.
The Conformance Definition. Analyzing Cell Conformance. Traffic Policing. Traffic Shaping. Engineering the CDVT Value.
4. Connection Admission Control.
Statistical Gain. CAC for CBR Traffic. CAC for VBR Traffic. CAC for ABR, UBR, and GFR Traffic. Admission Control for Multiclass Traffic. Effect of Cell Delay Variation on CAC. CAC Based on Measurements. Tuning the Connection Admission Control.
5. Queuing and Scheduling.
Overview of ATM Switch Architectures. Queuing Structures for QoS Guarantees. Scheduling Mechanisms. Other Issues.
6. ABR Flow Control.
ABR Service [TM4.0]. ABR RM Cell Format. Control Loop Parameters. Control Loop Performance Metrics. Source/Destination Behavior. Virtual Source and Destination (VS/VD) Behavior. Switch Behavior. Binary Mode ABR. Explicit Rate Mode ABR. Some ABR Issues. Point to Multipoint ABR. Engineering the ABR Parameters.
7. Congestion Control.
Buffer-Partitioning Policies. Occupancy Measure. Discard Policies. Discarding AAL-5 Frames.
8. Managing Frame Relay Traffic on ATM Networks.
Overview of Frame Relay. Selecting the Appropriate ATM Service Category. Mapping the Traffic Descriptors. Mapping Priority. Mapping the Congestion Notification.
9. Managing IP Traffic on ATM Networks.
Overview of IP. Selecting the ATM Service Category.
10. Designing Scalable Networks.
Real-Time Traffic. Non-Real-Time Traffic. Using ABR VPs to Carry Non-Real-Time VCs.
11. Summary.
Evolution of ATM traffic management. References.
Appendix A: ITU-T Traffic Management Standard.
Appendix B: ABR Implementation Comparisons.
Glossary.
Index.
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