Traffic Classification and Marking

Classification and marking allow QoS-enabled networks to identify traffic types near the source and assign specific markings to those traffic types. This section addresses the need for and various approaches used to perform classification and marking.

Classification and Marking Basics

One of the first QoS mechanisms that you apply to your traffic is classification, which recognizes the types of traffic that are flowing across the network. For example, you might recognize Telnet, FTP, and HTTP traffic and categorize those applications together in a specific class of traffic.

Although classification is great, you probably do not want to configure classification on every router. Therefore, after the traffic is ...

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