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Network Functions Virtualization (NFV) with a Touch of SDN by Paresh Shah, Syed Farrukh Hassan, Rajendra Chayapathi

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Chapter 2. Virtualization Concepts

Chapter 1, “The Journey to Network Functions Virtualization (NFV) Era,” covered the fundamentals of NFV, discussed its building blocks, and described the advantages that NFV brings. This chapter examines one of the key technologies that forms the backbone of NFV and makes it possible—virtualization.

Virtualization technologies form the primary building block for the NFV infrastructure. Therefore, knowledge of virtualization is important in order to achieve an in-depth understanding of NFV deployment and implementation.

This chapter introduces the concepts behind virtualization, focusing on the aspects that are closely related to NFV. The main topics covered in this chapter are:

• Virtualization: history, types ...

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