Virtualized RAN: 4G/5G Strategies, Opportunities, and Pitfalls
Carriers have lowered their costs and created a more agile infrastructure by deploying a
variety of virtual network functions (VNFs), including virtual firewalls and
virtualized 4G network cores, since network functions virtualization, was conceived 7 years ago.
To answer many questions carriers asked, Heavy Reading has released a survey they conducted with 81 service providers.