Network function virtualization is the second-largest OpenStack technology its users are interested in, according to the survey. The technology that took the top spot, however, was containers.

In tandem, Service Function Chaining (SFC) tailors network traffic management by dynamically linking an array of Virtual Network Functions (VNFs) into predefined sequences.

AT&T created a process that vendors of virtual network functions (VNFs) must comply with to introduce their VNFs into its network.

The Dutch service provider A2B selected Juniper Networks' virtual MX edge router (vMX) to improve routing in its network.

Orange Labs Networks has integrated Radisys' MediaEngine virtualized Media Resource Function in the ONAP Amsterdam release.