There is a "Proof of Concept" implementation in Xen at tools/{vtpm,
vtpm_manager}. To the best of my knowledge it has not been maintained for
quite some time. It did not support migration as described in the paper.

-Vinnie

-----Original Message-----
From: xen-devel-bounces@lists.xensource.com
[mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of Winai Wongthai
Sent: Tuesday, August 30, 2011 03:53 PM
To: xen-devel@lists.xensource.com
Subject: [Xen-devel] Questions about the GVTPM framework

Hi all,

I would like to ask several questions about the GVTPM framework in this
paper(TPM Virtualization: Building a General Framework ,
http://www.springerlink.com/content/qg78864080t57306/).

Is there an open-source and concrete implementation of the framework?

Is this framework support vTPM instance migration?

Best Regards,

Winai


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