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Posts Tagged "OpenFlow"

Virtualized regression means the Device Under Test (DUT) and test tools are either VMs or containers that run on commodity servers with little to no requirement for specialized hardware testing.

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OFELIA, a pan-European environment for the research community, is conducting experiments in an OpenFlow-enabled wide-area network. OFELIA is based on a set of ten “islands” that create a diverse OpenFlow infrastructure that allows experimentation on multi-layer and multi-technology networks provided by the different islands.

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Welcome to the first in my series of SDN blogs!

In the last decade, networks and networking technology have been evolving gradually—changes have been incremental and expected, such as increased throughput in Ethernet networks and enhancements to routing protocols to improve fault detection and resiliency. However, these gradual changes have been insufficient to handle the need for making networks highly programmable and the tsunami of data flooding the networks. The data explosion is forcing vendors and service providers to make big, disruptive changes to the network and has led to the emergence of software-defined networks (SDN) and OpenFlow.

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Although analysts track industry growth in multiple segments, it is difficult to forecast new technologies. The test experts at Spirent have a unique perspective of the industry by working with the world’s largest network equipment manufacturers and service providers developing and deploying next-generation solutions.

Here are a few of our predictions of the top trends for 2013:


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Cloud computing and virtualization are expanding demands on the data center and are pushing the limits of scalability in network switching. The need for any-to-any connectivity is forcing network designers and equipment manufacturers beyond the traditional hierarchical model of switch ports to the full-mesh approach of switch fabrics. And as usual, the expectation of reduced time to market and deployment continues to accelerate. Enter software-defined networking (SDN), which fosters greater flex...

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