Chapter 9

Core Network Functionality, QoS, and Network Slicing

Learning Objectives

After studying this chapter, you should be able to:

  • List and explain the 5G core network requirements defined by 3GPP

  • Explain the relationship among priority, QoS, and policy control

  • Present an overview of the concept of tunneling

  • Present an overview of the PDU session establishment procedure

  • Define 5QI and explain how it is used

  • Explain the difference between QoS parameters and QoS characteristics

  • Summarize the requirements for network slicing

  • Give a functional description of network slice implementation

Chapters 7 and 8 covered the two essential enablers of 5G services provided by core networks: software defined networking (SDN) and network functions virtualization ...

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