Chapter 9. Quality of Service

Terms you'll need to understand:

  • Quality of Service (QoS)

  • Delay, jitter, and packet loss

  • Packetization, serialization, and propagation

  • Classification, marking, and queuing

  • Weighed random early detection

  • Custom, priority, weighted fair, and low latency queuing

Techniques you'll need to master:

  • Understanding issues with IP telephony

  • Understanding QoS issues and prioritization

  • Understanding the similarities and differences between the various queuing methods

  • Configuring modular QoS CLI and queuing solutions

In network environments that have voice, video, and data, quality of service (QoS) becomes an important issue. Certain applications, especially voice and video, need to have a necessary infrastructure to support their needs. ...

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