Network Functions Virtualization (NFV) is an architecture that provides a way to decouple the network functionality from proprietary hardware and use it on the virtualized standard IT hardware or on cloud-based architecture.

It is developed by the European Telecommunications Standards Institute (ETSI). NFV architecture is used to transform the telecom industry by lowering Total Cost of Ownership (TCO), fast innovation and deployment, and by providing Scale-out / Scale-in functionality during special traffic hours.
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