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QoS for IP/MPLS Networks By Santiago Alvarez

QoS for IP/MPLS Networks by Santiago Alvarez

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A comprehensive guide to implementing QoS in multiservice networks using IP/MPLS. This work offers network architects and engineers information for the design, deployment, and implementation of QoS-enabled services on an MPLS network using Cisco IOS. It helps readers gain knowledge of the technology behind MPLS QoS and related technologies.

QoS for IP/MPLS Networks Summary

QoS for IP/MPLS Networks by Santiago Alvarez

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.

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.

Table of Contents

Chapter 1 QoS Technology Overview

IP QoS Architectures

Integrated Services

Differentiated Services

MPLS Support for IntServ

MPLS Support for DiffServ



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



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



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



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)



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


What Design Should I Use?



Appendix A Command Reference for Cisco MPLS Traffic Engineering and RSVP


Additional information

QoS for IP/MPLS Networks by Santiago Alvarez
Used - Very Good
Pearson Education (US)
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us

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