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News Roundup: SDN, Network Management and Private Clouds
December 14, 2012
This week saw the release of an SDN reference architecture from startup Pica8; a new version of EMC Smarts software; and updated software from ScienceLogic for managing private clouds.Plexxi Cuts a New Path to SDN
December 05, 2012
Plexxi, an SDN startup, launches a custom switch and controller to enable software-defined networking for enterprises and cloud providers. Unlike other controller architectures, Plexxi doesn’t rely on OpenFlow. Its secret weapon? An optical interconnect.SDN: 5 Things CIOs Must Know
December 03, 2012
Software-defined networking promises to pull today’s network into the virtual age, but CIOs have to separate speculation from reality. Here are five observations to help guide IT leaders’ thinking.Alcatel-Lucent’s SDN Strategy Downplays OpenFlow
November 30, 2012
Alcatel-Lucent has announced its SDN roadmap for the coming year. The company plans to offer a RESTful interface in two of its OmniSwitch product lines before it adds support for OpenFlow.Why We Need Network Abstraction
November 26, 2012
Highly virtualized data centers are exposing cracks in traditional network constructs such as VLANs. New approaches that abstract the physical network, including network overlays, are key to providing flexibility and scale.SDN Is Business, OpenFlow Is Technology
November 15, 2012
Software-defined networking (SDN) and OpenFlow aren’t the same thing. We’ll clarify the technical differences and discuss a more important distinction: SDN emphasizes applications that drive network usability and business requirements, while OpenFlow is a technology to link an SDN controller and network devices.Extreme Networks' 40 GbE, 100 GbE Switch Modules Target Data Centers
November 15, 2012
Extreme also opens up its OS to support OpenFlow 1.0 and OpenStack to enable more flexible network architectures.Packets Are the Past, Flows Are the Future
November 14, 2012
Networking has focused for years on speeds and feeds: how many packets you can handle and how many ports per device. But hosts and applications work with flows, which will force the network to adapt. Here’s why.Big Switch's OpenFlow Controller Guns for SDN Leadership
November 13, 2012
Big Switch Networks, an ambitious start up in software-defined networking (SDN), has launched a new controller and a pair of networking applications that have the potential to drive OpenFlow-based networks into the mainstream.VMware Does Complicated Dance With Open Source
November 09, 2012
When it comes to thinking about the future data center, it's well understood that servers and storage will function as pools of virtualized resources that can automatically switch from task to task. Networking is a much harder nut to crack. It remains unvirtualized and has lagged far behind the other two. But without it, we'll never get to the flexible, automated data center of the future envisioned as a "private cloud." That's why I sat down to talk to Martin Casado, the former Stanford grad student whose PhD thesis turned into the OpenFlow networking protocol. Casado co-founded virtual networking firm Nicira, which soon became the lead contributor to OpenStack's virtual networking project, Quantum. VMware bought Nicira for $1.26 billion in July -- not bad for a young company with 100 employees. I'd asked Casado to explain how Nicira was going to continue to lead development of virtual networking in OpenStack, since open source OpenStack competes directly with VMware to manage the virtualized part of the data center that's implementing automated self provisioning, elastic expansion and chargeback -- the private cloud part.
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