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Executing secured virtual machines within a manycore architecture

Abstract : Manycore processors are a way to face the always growing demand in digital data processing. However, by putting closer distinct and possibly private data, they open security breaches. This article presents undergoing work aiming at providing security guaranties to different users utilizing different cores in a manycore architecture. The proposed solution is using physical isolation and a hypervisor with minimum rights, although the work described in the paper focuses only on hardware mechanisms. We present a hardware module providing an address translation service allowing to fully virtualize operating systems, while offering advantages compared to a classical memory management unit within our context. Experiments made on a virtual prototype shows that our solution has a low time overhead – typically 3% on average.
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https://hal.sorbonne-universite.fr/hal-01363066
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Clément Dévigne, Jean-Baptiste Bréjon, Quentin L. Meunier, Franck Wajsbürt. Executing secured virtual machines within a manycore architecture. IEEE Nordic Circuits and Systems Conference (NORCAS), Oct 2015, Oslo, Norway. ⟨10.1109/NORCHIP.2015.7364380⟩. ⟨hal-01363066⟩

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