We look back at the biggest network security stories of the year, and what they mean for the future of software-defined security.

Whatever Skyport Systems is working on, it's requiring a lot of ex-Juniper and ex-Cisco people. CEO Stefan Dyckerhoff is assembling an experienced team to tackle enterprise security.

Rather than sell to Elliott Management, Riverbed has struck a $3.6 billion deal to be acquired by private equity firm Thoma Bravo.

Tired of Dockerizing everything? Perhaps we don't need to. Are we getting carried away with Docker mania? Find out what Docker really does.

Arista CEO Jayshree Ullal blasts her former employer in a blog post responding to Cisco's patent infringement lawsuit.

Intel becomes OpenDaylight's latest Platinum member, committing to the half-million dollar membership level in order to gain a seat on the board of directors.

Docker supporter CoreOS doesn't like what it's seeing in Linux containers these days. With a new open source project, Rocket, CoreOS hopes to outdo the Docker camp.

Jesper Andersen, who at separate times led network management and service-provider video at Cisco, will replace Robert Thomas, who announced his departure in May.

Google's latest hire augurs deeper moves into enterprise services and cloud security for the Mountain View goliath.

Recent excitement at Juniper and Cisco reveals an underlying shift in the router market. And you can't pin it all on SDN.

TiMetra was arguably the best networking acquisition in history, and Alcatel-Lucent CEO Michel Combes knows it. That's why he's put TiMetra at the center of his revitalization plan.

In this week's roundup: AWS describes its network and works with Docker and Intel; HP and Nokia team up to help operators, and Rackspace supports Microsoft Hyper-V.

Security virtualization startup Catbird declares itself ready for a growth phase by making the customary changing of CEOs: David Keasey is in for Eduardo Costa.

Security and data center revenue showed strong growth, but Cisco earnings face headwinds in the carrier market, CEO John Chambers says.

Startup Arkin Net raises $7M to produce an SDN analytics tool that operates on natural language (no CLI) and across the physical and virtual infrastructure of multiple vendors.

Shaygan Kheradpir has resigned as Juniper's CEO after less than a year in the position, due to an issue related to a customer negotiation. He's being replaced by Rami

In a bar near Boston, Plexxi's CEO once nagged EMC's Rich Napolitano about coming on board. It eventually worked: The company is revealing Napolitano has been its CEO for

This week in the SDxCentral Weekly Roundup: ODL welcomes new members, PLUMgrid makes announcements during OpenStack Summit, Brocade and Pica8 bring in new talent.

Q3 was even better than expected for Arista, but Wall Street didn't take kindly to news that employees would be allowed to sell shares a little early.

In this week's roundup: Cloud provider Joyent scored a $15 million funding round, Big Switch Networks said it will offer two "starter kits, F5 CEO John McAdam announced retirement

Vendor lock-in is on some network architects' minds as SDN starts becoming more commercial. If white box switching can build momentum, it could find fans quickly.

HP is separating PCs and printers from enterprise — not a new idea, but one that could have extra meaning now that SDN and NFV have become ensconced in

Rumors peg Big Switch and Pluribus as possible acquisition targets — and more generally, SDN might be mature enough for OEMs to start plugging some holes.

In this week's SDNCentral roundup: Oracle supports OpenStack; OpenDaylight incurs a minor delay; Amazon and Rackspace reboot; and Compass-EOS produces an SDN "Forwarding Plane."