Re: [PATCH 0/2][RFC] postcopy migration: Linux char device for postcopy

[Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>]

(2012/01/13 10:09), Benoit Hudzia wrote:
> Hi,
>
> Sorry to jump to hijack the thread  like that , however i would like
> to just to inform you  that we recently achieve a milestone out of the
> research project I'm leading. We enhanced KVM in order to deliver
> post copy live migration using RDMA at kernel level.
>
> Few point on the architecture of the system :
>
> * RDMA communication engine in kernel ( you can use soft iwarp or soft
> ROCE if you don't have hardware acceleration, however we also support
> standard RDMA enabled NIC) .
> * Naturally Page are transferred with Zerop copy protocol
> * Leverage the async page fault system.
> * Pre paging / faulting
> * No context switch as everything is handled within kernel and using
> the page fault system.
> * Hybrid migration ( pre + post copy) available
> * Rely on an independent Kernel Module
> * No modification to the KVM kernel Module
> * Minimal Modification to the Qemu-Kvm code
> * We plan to add the page prioritization algo in order to optimise the
> pre paging algo and background transfer
>
>
> You can learn a little bit more and see a demo here:
> http://tinyurl.com/8xa2bgl
> I hope to be able to provide more detail on the design soon. As well
> as more concrete demo of the system ( live migration of VM running
> large  enterprise apps such as ERP or In memory DB)
>
> Note: this is just a step stone as the post copy live migration mainly
> enable us to validate the architecture design and  code.

Do you have any plan to send the patch series of your implementation?

	Takuya