QoS for IP/MPLS Networks

QoS for IP/MPLS Networks

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A comprehensive guide to implementing QoS in IP/MPLS networks using Cisco IOS and Cisco IOS XR Software Understand IP QoS architectures and how they apply to MPLS Take a detailed look at traffic management using policing, shaping, scheduling, and active queue management Study Cisco QoS behavioral model and the modular QoS command-line interface (MQC) Learn the operation of MPLS TE with its DiffServ extensions and applicability as a traffic-protection alternative Find multiple configuration and verification examples illustrating the implementation of MPLS TE, DS-TE, and FRR Review the different designs, ranging from a best-effort backbone to the most elaborate scenarios combining DiffServ, DS-TE, and FRR Quality of service (QoS) plays a key role in the implementation of IP and MPLS networks today. However, QoS can be one of the most complex aspects of networking. The industry efforts to achieve convergence have generated a need for increased levels of traffic differentiation. Today's networks need to meet an array of QoS requirements to support distinct applications (such as voice, video, and data) and multiple network services (such as IP, Ethernet, and ATM) on a single converged, multiservice network. QoS has therefore has become an integral part of network design, implementation, and operation. QoS for IP/MPLS Networks is a practical guide that will help you facilitate the design, deployment, and operation of QoS using Cisco (R) IOS (R) Software and Cisco IOS XR Software. The book provides a thorough explanation of the technology behind MPLS QoS and related technologies, including the different design options you can use to build an MPLS network with strict performance requirements. This book discusses MPLS Traffic Engineering (MPLS TE) as a tool to complement MPLS QoS and enhance the performance characteristics of the network. You'll learn technology, configuration, and operational details, including the essentials facts about the behavior and configuration of the rich MPLS QoS and related MPLS TE functionality. To get the most out of this book, you should have a basic understanding of both IP and MPLS, including the basics of IP addressing and routing and the basics of MPLS forwarding.show more

Product details

  • Paperback | 336 pages
  • 188 x 230 x 20mm | 579.99g
  • Pearson Education (US)
  • Cisco Press
  • Indianapolis, United States
  • English
  • 1587143917
  • 9781587143915
  • 1,602,074

About Santiago Alvarez

Santiago Alvarez, CCIE (R) No. 3621, is a technical marketing engineer for Cisco Systems (R) where he has worked on MPLS and QoS since 2000. Prior to Cisco, Santiago worked in software development for Lucent Technologies. He has been involved with computer networking since 1991. Santiago is a frequent speaker at Cisco Networkers Conferences and a periodic contributor to Cisco Packet Magazine. He holds a bachelor of science degree in computer science from EAFIT University in Medellin, Columbia, a master of science degree in computer science from Colorado State University, and a master of science in telecommunications from the University of Colorado at Boulder.show more

Table of contents

Chapter 1 QoS Technology Overview IP QoS Architectures Integrated Services Differentiated Services MPLS Support for IntServ MPLS Support for DiffServ E-LSP L-LSP DiffServ Tunneling Models over MPLS Traffic-Management Mechanisms Traffic Classification Traffic Marking Traffic Policing Traffic Shaping Congestion Management Active Queue Management Link Fragmentation and Interleaving Header Compression QoS Signaling Resource Reservation Protocol Other QoS Signaling Mechanisms Summary References Chapter 2 MPLS TE Technology Overview MPLS TE Introduction Basic Operation of MPLS TE Link Information Distribution Path Computation TE LSP Signaling Traffic Selection DiffServ-Aware Traffic Engineering Class-Types and TE-Classes Bandwidth Constraints Fast Reroute Link Protection Node Protection Summary References Chapter 3 Cisco QoS Cisco QoS Behavioral Model Classification Component Pre-Queuing Component Queuing Component Post-Queuing Component Modular QoS Command-Line Interface Hardware Support for the MQC Traffic-Management Mechanisms Hierarchical Configurations Percentage-Based Rates Parameter Units Processing of Local Traffic Summary References Chapter 4 Cisco MPLS Traffic Engineering Basic Operation of MPLS TE Enabling MPLS TE Defining a TE Tunnel Interface Link Information Distribution Using IS-IS for Link Information Distribution Path Computation Signaling of TE LSPs Traffic Selection DiffServ-Aware Traffic Engineering (DS-TE) Fast Reroute (FRR) Summary References Chapter 5 Backbone Infrastructure Backbone Performance Performance Requirements for Different Applications Segmentation of Performance Targets Factors Affecting Performance Targets Latency Versus Link Utilization Reference Network Edge Nodes QoS Design Alternatives Best-Effort Backbone Best-Effort Backbone with MPLS TE DiffServ Backbone DiffServ Backbone with MPLS TE DiffServ Backbone with DiffServ-Aware Traffic Engineering Adding MPLS TE FRR What Design Should I Use? Summary References Appendix A Command Reference for Cisco MPLS Traffic Engineering and RSVP 1587052334TOC051406show more