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Re: [Xen-devel] Proposal for init/kexec/hotplug format for Xen

Keir Fraser wrote:

I think we will provide a custom protocol for allowing guest kernels to access the persistent store -- it needn't be very complicated, and will allow things like basic device bootstrap to be done via the store without any chicken-and-egg or deadlock problems. Also there may be security implications in allowing arbitrary guests to make TCP connections to domain0 (at the very least, there may be possible DoS attacks) -- of course we allow this by default right now, but we don't want to make it a requirement of using Xen.

One of the things I'd like to see in the new management tools is a higher level interdomain communication library. A very useful abstraction would be a interdomain stream built on top of shared memory and event channels.

Interdomain streams would be perfect for something like this.

Anthony Liguori

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