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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

Cisco Counters OpenFlow SDN With OpFlex, Updates Nexus Switches

Cisco Systems has taken a different approach to software-defined networking, by baking some of its features into its Nexus switching hardware to combat OpenFlow and more ... explained that the OpFlex ... read more

A safe, efficient update protocol for openflow networks

[6] provide solutions for addressing various congestion issues during the network update. Noyes et al. design the update plan to maintain some invariants specified by the operator [23]. ... ... ... 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

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

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

OpenFlow protocol has a switch authentication vulnerability

FBI warns of SIM-swap scams, IBM finds holes in visitor software, 13-year-old girl charged over ... The researchers say in the absence of an update to the protocol (and a lot of third-party software ... read more

Researchers jump aboard Pica8’s OpenFlow switches as centralized management beckons

Longtime vendors might not want to admit it, but the OpenFlow protocol is turning out to be an important development in the world of networking. The latest evidence comes from Illinois, where 13 ... read more

SDN and OpenFlow Evolution: A Standards Perspective

The south interface communicates with data layer, updates the infrastructure status and issues the forwarding strategies, the representative protocol ... using OpenFlow [13, 15] and cross-country ... read more

Spirent Introduces Support for OpenFlow 1.3 to Help Advance Testing of SDN Controllers and Switches

This semi-annual event is designed to drive interoperability, deployment and commercialization of SDN and the OpenFlow protocol. "Spirent provides InCNTRE ... our support of OpenFlow with this latest ... read more