It's Friday. You know what that means -- it's time for the SDxCentral Roundup! Here, you'll find all the news surrounding software-defined networking (SDN), network functions virtualization (NFV), and more. Get ready, ‘cuz it’s coming atcha:

Ruckus Wireless CTO William Kish is leaving the company after 11 years. He simply wants to get back into the startup game, according to Catharine Trebnick, an analyst at Dougherty & Co.

The Open Networking Foundation (ONF) finished its first AppFest, aimed at promoting development, testing, and implementation of open SDN apps running on SDN infrastructure.

Soon-to-be Cisco CEO Chuck Robbins has announced his successor. Chris Dedicoat will replace Robbins as the head of worldwide sales, moving into the position the same day (July 26) that Robbins takes the big chair at Cisco, as reported by CRN.

Juniper Networks announced a Design Training and Certification curriculum. It will teach best practices and new techniques for SDN and NFV network design.

vArmour launched its global channel partner program, vArmour Invited Partners or VIP (I think vIP is more accurate), to encourage data protection that uses the startup's distributed security model.

Equinix agreed to buy Telecity Group in a deal valued at 2.35 billion pounds, effectively ending Telecity's move to acquire Interxion for $2.2 billion, says Reuters.

CA Technologies has entered into an agreement to buy Rally Software Development Corporation, a provider of agile development software and services. Based in my old stomping grounds of Boulder, Colo., Rally will be acquired for $480 million, with an expected deal close coming in CA's 2016 second quarter.

Opsmatic launched this week, announcing what it's calling the first real-time data platform and live-state monitoring service created to meet needs of DevOps teams. The company's founders met at Flickr, where they soon realized the importance of the DevOps trend. Investors include AME Cloud Ventures, Freestyle Ventures, Illuminate Ventures, and Index Ventures.

Here’s what else SDxCentral covered lately: