Email Alerts
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Ten essential network virtualization definitions
SDN has sparked discussion about what network virtualization truly is. Here are 10 key network virtualization definitions that explain the basics. Feature
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OpenFlow protocol guide: SDN controllers and apps
The OpenFlow protocol is the first SDN language to be productized and implemented. Learn about OpenFlow SDN controllers and apps in this guide. guide
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Opinion: Big Switch's OpenFlow play is big news for cloud networking
Cloud services require a more dynamic approach to networking like OpenFlow offers. Big Switch Networks' cloud networking play, Open SDN, appears to be a promising answer. Opinion
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OpenFlow protocol primer: Looking under the hood
We know the OpenFlow protocol can be used to abstract the network control plane from underlying physical infrastructure, but how exactly does the protocol work? Feature
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Overheard on Twitter: SDN security, VXLAN, OpenFlow, programmability
SearchSDN explored Twitter and saw users discussing SDN security, VXLAN and OpenFlow, and SDN programmability. News | 17 Jun 2013
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Overheard on Twitter: Security and the Cisco business architecture
SearchSDN explored Twitter and saw users discussing the Cisco Partner Summit and Cisco's plans for security, collaboration and business architecture. News | 10 Jun 2013
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The SDN implications of Facebook's open source switch
In this Q&A, Facebook explains how the Open Compute Project's plans to design a switch will affect SDN -- and potentially make OpenFlow scalable. News | 28 May 2013
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Overheard on Twitter: SDN standards; SDN vs. network virtualization
SearchSDN explored Twitter and saw users discussing vendor opportunities surrounding SDN, as well as SDN standards and SDN vs. network virtualization. News | 21 May 2013
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Overheard on Twitter: At Interop, users still seeking SDN definition
SearchSDN was live at Interop, where analysts and IT professionals took to Twitter to discuss SDN definitions, inhibitors and value propositions. News | 14 May 2013
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OpenFlow scalability: Q&A with Nick McKeown
Nick McKeown, OpenFlow and SDN icon, talks about OpenFlow scalability and the state of OpenFlow switching. Q&A | 09 May 2013
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SDN vs. network virtualization: Q&A with VMware's Martin Casado
VMware's Martin Casado discusses the definition of SDN as it relates to network virtualization, and what to expect at this year's Interop conference. News | 06 May 2013
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HP supports OpenFlow 1.3 on new data center switches
HP's new data center switches support OpenFlow 1.3, making it the only vendor to run the latest SDN protocol from the core to the server edge. News | 01 May 2013
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Overheard on Twitter: SDN network provisioning, bandwidth calendaring
This week, SearchSDN hosted its first tweetup and discussed ONS 2013 topics like network provisioning, bandwidth calendaring and SDN use cases. News | 30 Apr 2013
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Overheard on Twitter: ONS 2013 feedback
@SearchSDN scoured Twitter for 2013 Open Networking Summit comments. With the hashtag #ONS2013, users tweeted about OpenDaylight, overlays and more. News | 17 Apr 2013
- See more News on OpenFlow
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OpenFlow configuration protocols: Understanding OF-Config and OVSDB
OpenFlow directs network packet flows, but OpenFlow configuration protocols, OF-Config and OVSDB, form relationships between controllers and switches. Expert Tip
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Floodlight primer: An OpenFlow controller
In software-defined networks, engineers use Floodlight controllers to manage physical and virtual devices -- and each traffic flow running between them. Expert Tip
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Private cloud network VLAN problems: Is OpenFlow the answer?
In order to create dynamic private cloud networks, engineers will turn to software-defined networking and control planes that integrate virtual and physical switching. Tip
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Software-defined networking with open APIs will mean real integration
The answer to cloud networking is more than software-defined networking; it's network-centric software with open APIs that could result in deeper network systems integration. Tip
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OpenFlow: Software-defined network eases cloud management for providers
Cloud providers want an API for the network layer to control the flow of specific applications -- a capability we see emerging with OpenFlow and software-defined networks. Tip
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Should I use the OpenFlow protocol in software-defined networks?
The OpenFlow protocol isn't required for SDN, although the Open Network Foundation recommends it, which means networking vendors have options. Answer
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Specialized SDN controllers: Are they necessary?
An SDN controller, with or without OpenFlow, is not required for a software-defined network, and SDN architecture vendors take different approaches. Answer
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Do I need to use an SDN controller for software-defined networking?
An SDN controller, with or without OpenFlow, is not required for a software-defined network, and SDN architecture vendors take different approaches. Ask the Expert
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Floodlight
Floodlight is a Java-based OpenFlow controller. Definition
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OpenFlow controller
An OpenFlow controller is an application that manages flow control in a software-defined networking (SDN) environment. Definition
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OpenFlow switch
An OpenFlow switch is a software program or hardware device that forwards packets in a software-defined networking (SDN) environment. Definition
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FlowVisor
FlowVisor is an experimental software-defined networking controller that enables network virtualization by slicing a physical network into multiple logical networks. Definition
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Podcast: SDN and OpenFlow pitfalls and potential at TIP 2013
Executive editor Rivka Gewirtz Little reports live from Honolulu, where the latest news about SDN and OpenFlow creates buzz among TIP attendees. Podcast
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Software-defined network technology interest now, future investment
Survey trends reveal IT professionals have interest in software-defined network technology but are not ready to bring the technology to primetime. Slideshow
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Overheard on Twitter: SDN security, VXLAN, OpenFlow, programmability
SearchSDN explored Twitter and saw users discussing SDN security, VXLAN and OpenFlow, and SDN programmability. News
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Overheard on Twitter: Security and the Cisco business architecture
SearchSDN explored Twitter and saw users discussing the Cisco Partner Summit and Cisco's plans for security, collaboration and business architecture. News
-
Ten essential network virtualization definitions
SDN has sparked discussion about what network virtualization truly is. Here are 10 key network virtualization definitions that explain the basics. Feature
-
The SDN implications of Facebook's open source switch
In this Q&A, Facebook explains how the Open Compute Project's plans to design a switch will affect SDN -- and potentially make OpenFlow scalable. News
-
Overheard on Twitter: SDN standards; SDN vs. network virtualization
SearchSDN explored Twitter and saw users discussing vendor opportunities surrounding SDN, as well as SDN standards and SDN vs. network virtualization. News
-
Overheard on Twitter: At Interop, users still seeking SDN definition
SearchSDN was live at Interop, where analysts and IT professionals took to Twitter to discuss SDN definitions, inhibitors and value propositions. News
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OpenFlow scalability: Q&A with Nick McKeown
Nick McKeown, OpenFlow and SDN icon, talks about OpenFlow scalability and the state of OpenFlow switching. Q&A
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SDN vs. network virtualization: Q&A with VMware's Martin Casado
VMware's Martin Casado discusses the definition of SDN as it relates to network virtualization, and what to expect at this year's Interop conference. News
-
HP supports OpenFlow 1.3 on new data center switches
HP's new data center switches support OpenFlow 1.3, making it the only vendor to run the latest SDN protocol from the core to the server edge. News
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Overheard on Twitter: SDN network provisioning, bandwidth calendaring
This week, SearchSDN hosted its first tweetup and discussed ONS 2013 topics like network provisioning, bandwidth calendaring and SDN use cases. News
- See more All on OpenFlow
About OpenFlow
Learn about the evolution of the OpenFlow protocol and work by the Open Networking Foundation in this topic section. Read about the latest Open flow research and understand the role of OpenFlow controllers, OpenFlow switches and network applications with our news, reports, guides and more.