On 6/12/14, 3:12 AM, Shen Li wrote:

I worked on OS software, and know little about networking
virtualization. I have a question. Assuming the following technologies
come true, then we can let users install their own choice of
vswitches(or such kind of "devices") in their own VM, without risk to
influence CSP's hypervisor software; and we can allow users to build
their own network construction overlaying upon the existing net, give
them more flexibilities and control.

Most of this has already been done in the NFV and GENI worlds. Both Snabb and DPDK are implementing low-overhead paths into VMs. Virtual wires can be implemented with encapsulation.

--
Wes Felter
IBM Research - Austin

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