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Results for: openflow


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SDN: Focus On The Possibilities, Not Just The Technology

March 07, 2013

Software-defined networking is in an enviable position: Everyone is excited about the concept and wants to believe in it. Among networking professionals, expectations are high. But don't make the mistake of looking at SDN as just a new tool to solve yesterday's problems.

are falling into this trap as they seek to market and monetize SDN before the new-car smell wears off. OpenFlow, because it's a standard, is an exception, but we see SDN-like capabilities baked into a number of proprietary and only partially standards-based systems. Sure, most vendors promise to support OpenFlow in addition to proprietary code, but the temptation is strong to "embrace and extend."

As chief architect of the InteropNet and CEO of a technical design company, I understand that it's normal for IT organizations to come at software-defined networking from the perspective of an engineer: What's broken that can be fixed by the ability to program a network to dynamically change its operating mode or parameters via a programmatic method?

Use SDN to make the current network better, sure. But it's more important to think differently about how SDN will help us design and build the network of the future.

Will SDN Kill TRILL?

February 26, 2013
Layer 2 multipathing standards such as TRILL and SPB may seem redundant in an SDN world. But these standards still have a role to play while we wait to see how the SDN market matures.

SDN Startup Targets Cloud Providers

February 15, 2013
SDN startup Anuta Networks is launching a controller for IaaS cloud providers to manage physical network infrastructure—switches, routers, load balancers and more—and to automate the provisioning of network services.

F5 Acquires SDN Startup LineRate Systems

February 12, 2013
News roundup: F5's LineRate Systems acquisition targets data center programmability, scalability; Dell launches a new switch and rolls out OpenFlow support; CA simplifies IAM offerings; Veeam offers VM backup up to 15 cloud providers.

Cisco's ONE Controller Debuts; Targets SDN

February 04, 2013
Cisco's SDN architecture gets its keystone with the launch of the Cisco ONE Controller, a software package that supports OpenFlow and its own onePK APIs. Cisco also announced support for hybrid clouds with its Nexus 1000V product and the Nexus 6000, a new data center switch.

Indiana University Expands SDN Research Lab

January 25, 2013

Indiana University's network research unit, the Indiana Center for Network Translational Research (InCNTRE), is now serving as a test bed for OpenFlow and other software-defined networking (SDN) products. On Wednesday, it hosted the kickoff meeting of a new business user group devoted to software-defined networking.

The InCNTRE Software-Defined Networking User Group (ISUG) brought together network administrators from Fortune 500 companies in finance, insurance, healthcare and travel, according to Matthew Davy, executive director of InCNTRE.

"Private sector network engineers, network architects and IT managers are busy getting up to speed on software-defined networking and trying to understand how it will affect their networks," said Davy in an announcement of the meeting on the InCNTRE website. "Given our expertise, it made perfect sense to form the ISUG as a way to facilitate the flow of information between IU's SDN experts and the private sector," he said.

The OpenFlow protocol separates the control plane from the forwarding plane in switches, so that software applications on a central controller can issue instructions to switches and routers to change the nature of the network.

New OpenFlow Controller, Virtual Switch Debut from NEC

January 22, 2013
As SDN technology evolves, NEC has launched a new version of its OpenFlow controller that supports IPv6 and OpenStack. NEC has also released a virtual switch to support OpenFlow in Hyper-V environments.

Juniper's SDN Strategy Looks Beyond OpenFlow

January 15, 2013
Juniper gets SDN religion, but as the company outlined its tenets, it's clear Juniper doesn't hew to the OpenFlow orthodoxy.

SDN: From Slideware to Software in 2013?

January 10, 2013
2013 should be the year SDN transitions from an over-hyped R&D project to an actual product category. At same time, the market will split into several distinct architectural approaches.

Network Computing's Best Stories of 2012

December 28, 2012
From SDN to cloud to 802.11ac, Network Computing's reporters and bloggers brought their insight and expertise to the biggest stories of 2012. Here's a sample of some of their best work.

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