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OpenFlow news and analysis for IT professionals
  • NEC scales OpenFlow SDNs

    Posted March 4, 2014 - 3:17 pm

    NEC this week rolled out a new version of its SDN software that includes an OpenFlow-based method for interconnecting data centers.
  • Broadcom hopes to help OpenFlow take off with new chip integration

    Posted March 4, 2014 - 8:42 am

    Chip maker Broadcom has announced a new specification along with software and APIs to improve the performance of OpenFlow switches and to make it easier for hardware vendors to build products.
  • Brocade seeks SDN edge with early OpenFlow 1.3 support

    Posted March 3, 2014 - 9:25 am

    Brocade this week announced broad support for OpenFlow 1.3 across its IP product line to extend SDNs beyond research and academia and into commercial and enterprise networks.
  • IT shops share OpenFlow, SDN best practices

    Posted October 8, 2013 - 11:24 am

    Two users are putting OpenFlow and software-defined networks through their paces in projects of varied urgency.
  • Clarifying the role of software-defined networking northbound APIs

    Posted May 6, 2013 - 10:57 am

    With software-defined networking the control of the network is pried out of the data handling devices and centralized on a controller that uses a common protocol, OpenFlow, to direct the switches on the southbound side. That much has been established. But what of the oft-mentioned northbound APIs that will let applications tell the controller what they need from the network? What kind of progress is the Open Networking Foundation making on that front?
  • Big Switch looks to ramp up OpenFlow implementations

    Posted March 26, 2013 - 1:22 pm

    In an effort to accelerate the adoption of OpenFlow for software-defined networking, Big Switch Networks this week unveiled an open source-based "thin" virtual switch for servers and commodity switches.
  • 5 questions about VMware's new virtual networking platform

    Posted March 15, 2013 - 9:56 am

    Martin Casado, co-founder and CTO of Nicira, pioneer of the OpenFlow virtual networking movement and currently chief networking architect for VMware, discusses how NSX is implemented and what customers should expect from it.
  • Dell strengthens data center line with OpenFlow support, high-end Ethernet switch

    Posted February 7, 2013 - 12:02 pm

    Dell this week extended its data center networking portfolio with a new top-of-rack switch and plans to extend OpenFlow support for software-defined networking across its product line.
  • NEC rolls out OpenFlow for Microsoft Hyper-V

    Posted January 22, 2013 - 4:08 pm

    NEC this week unveiled a virtual switch for Microsoft's Windows Server 2012 Hyper-V hypervisor which is designed to bring OpenFlow-based software-defined networking and network virtualization to those Microsoft environments.
  • Cisco, VMware and OpenFlow fragment SDNs

    Posted December 3, 2012 - 2:29 pm

    Juniper Networks Executive Vice President Bob Muglia spelled it out succinctly: the nascent software-defined networking market is morphing into three camps - OpenFlow/open source, Cisco and VMware.
  • OpenFlow startup takes aim at Cisco, VMware

    Posted November 13, 2012 - 10:20 pm

    Big Switch Networks has announced the general availability of its OpenFlow-based software-defined networking products and applications, as well as customers and partners.
  • OpenFlow start-up Big Switch lands another big funding round

    Posted October 31, 2012 - 3:07 pm

    OpenFlow controller start-up Big Switch Networks this week said it closed a $25 million Series B funding round to continue the expansion of the engineering, sales and marketing operations.
  • SDN revolution or evolution: Impact on the IT manager

    Posted August 13, 2012 - 1:56 pm

    There has been a lot of hype concerning software defined networks (SDN) and OpenFlow. What does SDN mean for you, and how should enterprises prepare for the coming changes in network architectures?
  • Internet2 readies 100G OpenFlow SDN for Big Data

    Posted July 9, 2012 - 2:50 pm

    Internet2 is nearing completion of its OpenFlow-enabled 100G Ethernet software-defined network for testing service delivery of applications for Big Data compilation and research, among others.
  • What are the killer apps for software defined networks?

    Posted June 18, 2012 - 3:49 pm

    Despite touted benefits for service providers, OpenFlow and SDNs can help extend business VLANs, create security zones, establish BYOD policies...
  • SDN/OpenFlow has Cisco jumping

    Posted June 18, 2012 - 3:23 pm

    You can gauge the promise of an emerging technology by the reaction of the biggest legacy player potentially threatened by the new arrival. It walks a fine line between jumping in too quickly and sanctioning a nascent movement that may not otherwise get off the ground, and reacting too slowly and losing advantage to fleet-footed upstarts.
  • HP takes giant first step into OpenFlow

    Posted February 2, 2012 - 2:52 pm

    HP this week said it is taking its first leap into OpenFlow-enabled network equipment, supporting the standard on 16 of its Ethernet switch products as it attempts to gain a foothold in a market likely to receive significant attention from competitors.
  • OpenFlow not the only path to network revolution

    Posted November 17, 2011 - 3:19 pm

    APIs and messaging protocols, including some that are standards, can let users build software-defined networks today. The key issue, though, is that not everyone implements the same ones or implements them the same way. Will OpenFlow get us all on the same path to SDN nirvana?
  • 6 ways to build SDNs without OpenFlow

    Posted November 17, 2011 - 3:17 pm

    Although OpenFlow is stirring up all of the excitement around software defined networking (SDN), you can program a network with standard tools that have been around a while. Here are a few examples.
  • Is OpenFlow a go?

    Posted May 13, 2011 - 10:41 am

    Interop 2011 could have been called The OpenFlow Show. Vendors were hawking OpenFlow switches and controllers, and a lab demonstration on the show floor displayed the traffic management technique and applicability among multivendor switches.
  • FAQ: What is OpenFlow and why is it needed?

    Posted April 19, 2011 - 8:55 pm

    Frequently asked questions about the OpenFlow protocol and its potential.
  • OpenFlow opens new doors for networks

    Posted April 14, 2011 - 2:09 pm

    With a new industry organization to promote it, routing protocol OpenFlow is about to give users unprecedented ease of control over the way their networks operate.

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