Which Core Network Functions Are Being Virtualized?
SearchNetworking, January 8th, 2019
January 8, 2019,
Volume 250, Issue 2

"Network functions virtualization can virtualize both data center and branch office network services. But a couple of special cases, like virtual switches, require clarification...

Network functions virtualization is an architecture of network services -- usually Layer 4 through 7 -- deployed as software, often as virtual machines, and separated from the underlying hardware. Virtualized network functions are the implementation of the network services. This process enables flexible deployment and orchestration of network functions..."

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