A top-down approach to NFV and SDN is what's called for by some at SDN World Congress.

Take that, AT&T! CenturyLink sets a higher virtualization goal.

Some vertically integrated intrigue from the NFV startup.

Colt leverages SDN for data center connects; ONF conducts multi-vendor wireless transport SDN test.

OpenStack debuts Liberty, ONUG announces POC for Nov. conference, new ETSI specs among this week’s news

Service providers can use BTI's optical platform to also virtualize some central office functions.

The NFV project looks ready to launch by March, Docomo tells the SDN & OpenFlow World Congress.

Tail-f sticks to its multivendor roots and declares a YANG revolution.

VMware has been "working organically" on NFV with telcos. Now it's ready to deliver more formally.

Amdocs tells Tier 1s: Get with the program and deploy vCPE.

DT, Vodafone, Orange, and Verizon tell production tales of NFV.

Customers get the freedom to make programming changes to their network orchestration software.

ClearPath leverages HP's virtual network functions (VNFs) together with its own vCPE technology to target service providers.

Everything you need to know about SDN and NFV will be at your fingertips during next week's World Congress

Dell acquiring EMC? UNH and Open Compute and much more in our news roundup.

Metaswitch chalks up another service provider for the Perimeta SBC.

The residential vCPE shows its prowess at provisioning Layer 2 services and firewalls.

AT&T is becoming more open about which vendors it's using to advance its SDN and NFV push.

ECI says it's not practical for a single controller to control large-scale networks, so it's writing short code extensions to give autonomous control to switches.

Telefónica, Juniper, Verizon and Versa all in the top 3.

VMware security alert, Cisco security acquisition, and news from Microsoft's AzureCon.

The former Cisco CTO, an early believer in SDN, is bullish on SD-WAN.

The Italian company shows off some SDN/NFV prowess.

AT&T spells out some specific vendor contributions, including vCPEs and virtual routers.