Network Function Virtualization Market is expected to grow at USD 19 Billion by 2022, at 31% of CAGR over a forecast period from 2018 to 2022, Network Function Virtualization Market, By Application (Switching Elements, Traffic Analysis, Next Generation Signaling), Deployment (Cloud, On-premise), By Infrastructure (Hardware Resources, Virtualized Resources), By End-User (CSP, BFSI, Cloud Service Provider) - Forecast 2022