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

CTO Singh Becomes the Latest Exec Departing Cisco — Since the beginning of this year, several highly visible executives have announced their departures from Cisco.

BT Selects Nuage's SD-WAN for Global Reach — Nuage landed its biggest SD-WAN customer so far.

Sprint Launches SD-WAN for Global Enterprises — Sprint joins several other U.S. service providers that have announced SD-WAN services including Verizon, AT&T, and CenturyLink.

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

AT&T is creating a partner exchange for NetBond to help their business customers move to the cloud.

Netrounds joined the NEC/Netcracker SDN Partner Space ecosystem.

TelePacific signed a long-term contract with VeloCloud Networks to provide the foundation technology to deliver its unified communications, managed IT, and managed services.

Ixia and DataArt joined together to develop an automation system that accelerates the delivery of fully tested network functions virtualization (NFV) based services.

Pica8 extended its leadership in software-defined networking (SDN) and OpenFlow programmability with the first white box NOS to support OpenFlow 1.5 through OVS 2.5.

SimpliVity touted its position as the most deployed hyperconverged platform on Cisco UCS.

Systems Integrators (SIs)  was added to the Dell Internet of Things (IoT) Solutions Partner Program.

NoviFlow launched its vSwitch Offload system for optimizing the deployment of NFV.

Versa Networks broadened its software-defined wide area network (SD-WAN) ecosystem through a technology collaboration with Wind River.

Silver Peak announced the formal validation of Silver Peak Unity EdgeConnect as a carrier-grade SD-WAN/NFV system for Wind River Titanium Server.

Here are the other stories SDxCentral covered this week: