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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.SDN Startup Midokura Takes on IT Giants
October 18, 2012
Midokura this week announced its MidoNet software, which promises to virtualize networks to enable infrastructure as a service.Mellanox Makes SDN Move with New Switches
October 16, 2012
SwitchX-2 supports OpenFlow and leverages Mellanox’s Virtual Protocol Interconnect technology for simultaneous InfiniBand and Ethernet connections.VMware Adds Interoperability With Ubuntu OpenStack Cloud
April 19, 2013
VMware has contributed plug-ins to the OpenStack Project that guarantees the project's networking platform will recognize and work with virtual machines running under VMware's vSphere management environment and VMware's Nicira Network Virtualization Platform.
VMware acquired startup Nicira last July for $1.26 billion and has made its NVP the basis of future virtualized networking in what it terms "the software-defined data center." The Network Virtualization Platform from Nicira, a leader in OpenFlow network protocol concepts, is also the basis for the Quantum networking platform in OpenStack. Nicira was a heavy contributor to OpenStack before the acquisition, and it remains one now. At the OpenStack Summit on Tuesday, VMware gave these contributions a particular cast. Through close collaboration between Canonical and VMware, they will work inside the Ubuntu distribution of OpenStack, according to VMware's VP of vSphere product management Joshua Goodman.
Suse Linux and Red Hat also have distributions of OpenStack. Red Hat's KVM hypervisor is the one native to the OpenStack cloud open source code. Suse Linux is often cited as the version that works most closely with Windows Server and its hypervisor, Hyper-V. Both are keen competitors of VMware's ESX Server.
The move also reflects VMware's growing realization that it is likely to need to live with many OpenStack implementations in the future, despite its early hopes that its own cloud software stack, the vCloud Director suite, would be the basis of private and public clouds everywhere. The collaboration with Canonical gives it an OpenStack partner that is less an immediate competitor than either Red Hat or Suse.
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.
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