Abstract
This chapter covers Network Function Virtualization (NFV); previously you were introduced to high-level virtualization concepts in the “Software Defined Networking (SDN)” chapter. NFV and SDN are complementary technologies used in conjunction for achieving lower operating expense (OpEX) and capital expense (CapEX). As discussed in SDN chapter, SDN decomposes its operation into application, control, and data plans, while NFV’s objective is to virtualize all network functions and services.
The objective of this chapter is to provide a reliability analyst with enough high-level understanding to quickly grasp salient points of this technology and proceed with the reliability analysis. As in all technologies, an analyst will be confronted with changing architecture and components, but the techniques developed here are generic in nature and applicable to different environments; the key point is to understand the current architecture and apply hardware and software reliability techniques to assess its reliability and propose ways to improve it. Extensive list of references are provided at the end of this chapter for further study.
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References
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Ali, S.R. (2019). Network Function Virtualization. In: Next Generation and Advanced Network Reliability Analysis. Signals and Communication Technology. Springer, Cham. https://doi.org/10.1007/978-3-030-01647-0_5
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DOI: https://doi.org/10.1007/978-3-030-01647-0_5
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