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Re: [Xen-devel] Is continuous replication of state possible?

To: Rik van Riel <riel@xxxxxxxxxx>
Subject: Re: [Xen-devel] Is continuous replication of state possible?
From: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Date: Fri, 07 Jan 2005 17:29:27 +0000
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, Per Buer <perbu@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx, Ian.Pratt@xxxxxxxxxxxx
Delivery-date: Fri, 07 Jan 2005 18:54:37 +0000
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> On Fri, 7 Jan 2005, Ian Pratt wrote:
> 
> > It basically just requires deterministic execution and event
> > injection.
> 
> This will be hard when running crypto programs that get
> their random numbers directly from the CPU ...

Sure, when CPUs finally get embedded crypto features (and
applications start using and _insisting_ on their presence) we'll
have problems. For the moment, the technique should work.

Ian



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