Cisco Launches Virtual Networking for Microsoft Hyper-V

By CIOinsight  |  Posted 09-20-2011 Print
Cisco Systems has worked a deal with Microsoft to provide data center virtualization packages that will control Microsoft Windows Server 8 virtual environments on the Hyper-V hypervisor.

The virtualization of networking functions is beginning to come up in more conversations involving IT managers, network administrators, and their current or potential vendors.

Virtual networking is just as it sounds. Ports, switches and routers are virtualized to work inside a hypervisor with virtual machines in similar fashion to how physical ports, switches and routers plug in to physical servers and storage arrays.

The two most common forms of virtual networks are protocol-based virtual networks (such as VLANs, VPNs and VPLSs) and virtual networks that are based on virtual devices (such as the networks connecting virtual machines using the software noted above). Both forms can be used inside the same system.

The Tier 1 networking providers are all over this, and new companies are springing up around it. An example is Virsto, a California startup that has virtualized streams of data into storage to make the data movement process which often involves a large number of data chunks located in widely disparate locations--much more efficient.

A little more explanation might be required here. "The virtual port gets affiliated with a physical port when the traffic comes out of a server and into the physical infrastructure," Prashant Gandhi, Cisco's senior director of product development for the Server Access Group, told eWEEK.

"That's when the physical binding can occur. When a VM wants to talk to another VM on the same server, then it is traffic that will move from one virtual port through a virtual switch to another virtual port."

Got that straight?

First Virtual Networking Project for Cisco, Microsoft

With all this as background, Cisco Systems said Sept. 20 that it has worked a deal with Microsoft to provide data center virtualization packages that will control Microsoft Windows Server 8 virtual environments on the Hyper-V hypervisor. All of its previous virtualization software works on VMware's vSphere (now in v5.0) hypervisor.

This new software, called the Nexus 1000V Virtual Switch, marks the first such virtual networking collaboration project between Cisco and Microsoft.

Cisco announced only three weeks ago at VMworld 2011 in Las Vegas that it is investing a great deal in virtual networking hardware, software and services. The Virtual Switch for Hyper-V is a key part of this research and development effort.

The Virtual Switch is available inside the Cisco Nexus 1000V physical switch, which enables customers to create virtual networks that scale to support thousands of virtual machines while increasing application performance and security in multitenant private, public and hybrid cloud infrastructures, said Soni Jiandani, senior vice president of Cisco's Server Access and Virtualization Technology Group.


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