https://www.theregister.co.uk/2018/06/14/vmware_nfv/

Network function virtualization is moderately obscure stuff, seeing as it is mostly intended for the plumbing of carrier networks. But VMware’s new play in the field with what it reckons a proper, 5G-ready effort, is notable for a couple of reasons.

One is that to deliver network function virtualization (NFV), the company has given the NSX Managed Virtual Distributed Switch a serious makeover. The company claims the switch is now between three and five times faster than its predecessors – and not just in a lab when do nothing but shift packets.