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Technical, Commercial and Regulatory Challenges of QoS by XiPeng Xiao

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Chapter 2. What Is QoS?

QoS can mean different things to different people. In this chapter, we first define what QoS means in the context of this book. We then discuss:

  • What are the factors that determine the end users’ QoS perception?
  • What are the QoS requirements of common applications regarding these factors?
  • What can common IP networks offer regarding these factors without active traffic management?

The first two topics will provide the objectives for QoS. After all, QoS itself is not the goal. The goal is to make sure that the end users’ applications work satisfactorily. Therefore, we need to know the factors that determine the end users’ QoS perception, and the common applications’ requirements regarding these factors. The third topic ...

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