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Re: [Qemu-devel] RFC: Universal encryption on QEMU I/O channels

From: Paolo Bonzini
Subject: Re: [Qemu-devel] RFC: Universal encryption on QEMU I/O channels
Date: Wed, 04 Feb 2015 15:28:22 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 04/02/2015 15:02, Daniel P. Berrange wrote:
> > I'm not sure if it makes sense for RDMA; it already has a couple of hooks
> > that go around the back of QEMUFile in migration, and it's transferring the
> > data via DMA so the page data doesn't go through the same path.
> Could you ever anticipate any need for authentication or encryption in
> the RDMA based channel ? I don't know enough about RDMA myself to know
> if it makes sense or not, other than the fact that any channel between
> two separate hosts needs security at some level in the stack.

Authentication, possibly; but I don't think encryption makes sense.  Marcel?


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