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Voice-Enabling the Data Network: H.323, MGCP, SIP, QoS, SLAs, and Security by James F. Durkin

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Chapter 9. Network Management: Maintaining an SLA

This chapter discusses the procedures and mechanisms necessary to sustain the appropriate level of service in a VoIP network. Network management is an important aspect of this process. Network Management performs multiple functions that are categorized as follows:

  • Fault management

  • Configuration management

  • Accounting management

  • Performance management

  • Security management

These different management functions are collectively called FCAPS and are normally present at all layers of the TMN framework (discussed in the next section).

Performance management and fault management functions are important in supporting an SLA. Performance management has the task of determining how the network performs, and fault management ...

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