Here are the top stories SDxCentral wrangled this week related to SDN, NFV, cloud, and virtualization infrastructure:

Linux, OpenStack, Citrix Add Their Voices in Opposition to Immigration Ban — The OpenStack Foundation is planning its future summits outside of the U.S.

Why Open Source ECOMP? AT&T Needs the Help — Without it, the telco won't meet its 75 percent virtualization goal.

Headcount: The Latest in Hirings, Firings And Retirings for January 2017 — Microsoft gets a CTO; Ciena COO steps down.

Here are the week’s strays and stragglers we roped for you:

VMware released new versions of its NSX network virtualization platform, which lets  organizations build-out cloud-native application environments using software-defined infrastructure.

Harmonic and Mirantis announced a new partnership to provide media content and service providers with access to a media processing system for live and VOD production on OpenStack.

Cloudistics, an on-premises cloud computing company, announced the availability of Cloudistics Ignite 3.0 software to power and control its on-premises platform.

Netscout has joined the Open Platform for Network Functions Virtualization (OPNFV) project to accelerate open source NFV.

Aqua Security released version 2.0 of its Container Security Platform (CSP), which features automated nano-segmentation of container network traffic, cross-platform secrets management, and sensitive data discovery.

Verizon Communications finalized it $1.8 billion purchase of XO Communications.

Citrix Systems  completed the spin-off and merger of its GoTo family of service offerings with LogMeIn.

Sandvine's Virtual Series products are now certified for use on Red Hat OpenStack Platform 8.0. The platform allows service providers to build and manage a virtualized carrier network.

Teneo partnered with Riverbed to deliver a software-defined wide area networking (SD-WAN) service supported by Riverbed SteelConnect.

Cato Networks launched a cloud-based, SD-WAN service.

Performance monitoring company Zenoss appointed Michael Lovell as the company’s new chief financial officer.

The Industrial Internet Consortium (IIC), a group that promotes the growth of the industrial Internet of Things (IIoT), published  version 1.8 of the Industrial Internet Reference Architecture.

Red Hat announced that Australia's Monash University has implemented a software-defined storage system on Red Hat Ceph Storage.

Ingenu will provide Arrow Electronics' customers with its wireless machine-to-machine connectivity and modules.

Here are the other stories SDxCentral covered this week: