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OpenFlow SDN protocol flaw affects all versions, could lead to DoS attack

The vulnerability stems from the inherent trust network controllers give to OpenFlow switches and could be exploited to perform denial-of-service or covert communication attacks. OpenFlow, a protocol ... read more

OpenFlow 1.3 Updates SDN Protocol

This is commonly known as Software Defined Networking (SDN). OpenFlow 1.3 is the latest update to the OpenFlow protocol. It describes the various port configurations, channel types and flow tables,a s ... read more

Centec Networks Showcases Successful Deployment of OpenFlow 1.3 at ONF PlugFest

The third ONF PlugFest event attracted leading SDN controller and switch vendors including NEC, IBM, and HP to participate in interoperability testing of the OpenFlow protocol for service provider, ... read more

Latest OpenFlow Combo with Open vSwitch Shows Security Chops

LAS VEGAS – A presentation at this week’s Black Hat USA conference provided some good and bad security news for the OpenFlow software-defined networking (SDN) standard. The good news is that it ... read more

How Much Do You Really Know About Network Virtualization, SDN and OpenFlow?

Some call this network virtualization capability software defined networking or SDN. There is much more to SDN though then OpenFlow. Network protocols you already use like SNMP for instance is an ... read more

VIDEO: ONF Chief on the Future of OpenFlow SDN

Over the last 12 months, that protocol has continued to evolve. "A year ago, we declared OpenFlow 1.3.x a stable protocol for implementors," Pitt said. "A lot of implementors are now focusing on 1.3." ... read more

OpenFlow Startup Big Switch Raises $13.75M From Index, Khosla Ventures

Exclusive – Big Switch Networks, a fledgling company building a platform for virtualizing enterprise networks based on the OpenFlow standard, has raised $13.75 million in Series ... Software-Defined ... read more

Windows Server 2012, System Center 2012 SP1 To Have SDN Benefits

In any case, Microsoft is touting SDN ... OpenFlow as the standard SDN protocol. Members of that consortium include Deutsche Telekom, Facebook, Google, Microsoft, Verizon and Yahoo. Here's how the ... read more

Microsoft Outlines Software Defined Networking Benefits of Windows Server 2012

The Open Networking Foundation is a nonprofit consortium that promotes OpenFlow as the standard SDN protocol. Members of that ... according to an April 13, 2012 white paper: "Software Defined ... read more

Big Switch lowers forecast for OpenDaylight SDN effort

But OpenDaylight's agenda has come into question given Cisco's dominant incumbency in switching and routing, its stated aversion to the popular OpenFlow SDN protocol (http ... and you can see some of ... read more

The Changing Face of Software Defined Networking: Addressing Actual Business Problems

SDN controllers, the brains running these next-generation networks, were once synonymous with OpenFlow, the network control protocol used to manage centrally manage traffic. However, as SDN visions ... read more

SDN & OpenFlow World Congress: Carriers Plot Their Courses to SDN

Tier-1 carrier perspectives provided an early highlight of the SDN & OpenFlow World Congress ... that’s the key to our simplicity approach.” OpenFlow is probably going to be DT’s protocol of choice ... read more