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Building Resilient IP Networks by Kok-Keong Lee, - CCIE No. 8427

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Chapter 4. Quality of Service

This chapter covers the following topics:

Protecting the control plane with QoS

Protecting applications with QoS

Building blocks of QoS

Application QoS and control-plane traffic

QoS deployment strategy

This chapter examines how quality of service (QoS) can be deployed to assist in building a resilient IP network. QoS refers to the ability of a network to enforce preferential treatment to applications, through a series of classification, policing, congestion avoidance, and queuing. Although QoS is not directly responsible for ensuring that the network is up and running all the time, it has a direct impact on the resiliency of the network.

It is important to remember that resilient networks must fulfill ...

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