HP today announced that it has acquired ConteXtream, a startup selling software-defined networking (SDN) and network-function virtualization (NFV) software.

Terms of the deal weren’t disclosed.

Rather than targeting enterprises, ConteXtream has historically gone after service providers to deploy its software into data centers and centralize management of networks.

In 2013 the startup told Gigaom that it had deployed software for 40 million subscribers of an unnamed U.S. wireless service provider.

Today’s deal follows several acquisitions in the SDN space, including VMware’s Nicira, Cisco’s Embrane and Tail-f, and Oracle’s Corente.

ConteXtream’s investors include Benhamou Global Ventures, Comcast Ventures, Norwest Venture Partners, Gemini Israel Ventures, Sofinnova Ventures, and Verizon Ventures.

ConteXtream started in 2007 and was based in Mountain View, California.

ConteXtream cofounder and chief executive Nachman Shelef will keep leading the team and will report to Saar Gillai, senior vice president and general manager of HP’s network function virtualization unit, according to HP’s statement on the deal.