Chapter 14. QoS

This chapter covers the following subjects:

The Need for QoS: This section describes the leading causes of poor quality of service and how they can be alleviated by using QoS tools and mechanisms.

QoS Models: This section describes the three different models available for implementing QoS in a network: best effort, Integrated Services (IntServ), and Differentiated Services (DiffServ).

Classification and Marking: This section describes classification, which is used to identify and assign IP traffic into different traffic classes, and marking, which is used to mark packets with a specified priority based on classification or traffic conditioning policies.

Policing and Shaping: This section describes how policing is used to enforce ...

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