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Re: [Xen-devel] RFC: "local" communications

To: Anthony Liguori <aliguori@xxxxxxxxxx>
Subject: Re: [Xen-devel] RFC: "local" communications
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Date: Thu, 16 Jun 2005 12:44:35 +1000
Cc: Lon Hohberger <lhh@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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On Wed, 2005-06-15 at 15:24 -0500, Anthony Liguori wrote:
> Rik van Riel wrote:
> >In order for this to work better, it would be good if there
> >was a way for software in a domU to communicate with software
> >on the local dom0 - so after being migrated elsewhere, a guest
> >would start talking to the new dom0 automatically.
> I can only speak for myself, but I'd personally like to see a small 
> userspace library that established a datagram connection between two 
> domains (using an event channel and a shared page) that could be reused 
> for many applications.

We have such a thing in the xenstore code.  It could be extracted fairly
easily.  Naturally, you need a setup mechanism, but the store could do

A bad analogy is like a leaky screwdriver -- Richard Braakman

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