Network function virtualization (NFV) is a promising technique of high quality. flexible and scalable service for telecommunication companies clients and for enterprise data center clients. One of the important capabilities of this technique is providing a virtual service as a combination of multiple virtual functions. There are two types of virtual functions: those intended for a sin... https://www.roneverhart.com/AKG-C12a-Tube-Condenser-Microphone-C101576-p35472/