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New Nexus 1000V Virtual Switch 1.5.2 Release Now Available

…tware, VXLANs and more. The new release supports the latest version of VMware’s vSphere hypervisor, and includes vPath 2.0 with service chaining between virtual services. I wrote a blog post a couple of weeks ago about the importance of vPath in inserting virtual services into data center networks, and now we also have a great new white paper available on vPath service insertion technology. The most important enhancement in vPath 2.0 is that you…

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VMware’s SDN Strategy is No Threat to Cisco, says Mike Fratto

For those of you wondering about the impact to Cisco of Software Defined Networking and the combined SDN strategy of VMware and Nicira, I point you to a very rational and well-articulated article by Mike Fratto of Network Computing, that basically says Cisco doesn’t have much to worry about. (Enterprise Strategy Group had already said something similar, by the way). Specifically, Fratto says: The lack of programmability in existing networking ha…

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vPath: The Secret Sauce to Enabling Virtual Network Services

…ular post, so I’m following up this week on another fundamental component of Nexus 1000V-based virtual networks, vPath, the secret sauce that allows us to deploy virtual network services in the data center. What is vPath? Well, if VXLANs can set up secure tunnels over a shared, multi-tenant virtual network, vPath is a feature of the Nexus 1000V virtual switch that can redirect traffic to virtual application services before the switch sends the pa…

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Some Afterthoughts on Open Network Environment, SDN and Overlay Networks

…opla was the importance of Layer 4-7 virtual services to the virtual overlay story, and specifically the role of vPath. vPath is a component of the Nexus 1000V virtual switch that enables the integration of virtual service nodes into virtual overlays. vPath is critical to inserting services such as security, WAN optimization or load balancing into the data paths of our virtual networks. These virtual services are again agnostic of the underlying…

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Cisco Open Network Environment, Explained

Let’s cut to the chase–you have probably wondering “what is Cisco going to do about SDN and OpenFlow?” Well, probably more than you expect, but before we get into that, I would respectfully suggest you are asking the wrong question. Cisco Open Network Environment (Cisco ONE) was created to deliver a specific capability to our customers: providing direct programmatic access to Cisco infrastructure.  As we were vetting this conc…

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