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Re: [Plex86-devel] light and heavy wheight !

From: Bob Diepenbrock
Subject: Re: [Plex86-devel] light and heavy wheight !
Date: Fri, 14 Feb 2003 09:01:39 -0600

Conceptually it seems to me that the lite version would be more at risk to programming flaws.  However, this assumes that the full virtualazition would run at essentially the user level and thus be isolated to it's own space and that the "lite" version would be heavily dependant upon the host's kernel...
I suppose that if the development carefully isolates and controls all allowed kernel interactions (Which is of course their intent) then security would be about the same.
So the answer to your question is.. "It depends."
-= bob =-

>>> Steve Coleman <address@hidden> 2/14/03 8:51:30 AM >>>
Lars Segerlund wrote:

>   I think the heavywheight is trying to do a VMWARE, and the
> lightwheight is trying to be a developement tool.

What advantages would the lightweight (Linux only) version have over say
"User Mode Linux" (UML) then? I see that UML also does some
"virtualization" of hardware and runs its VM as a process under the real
OS, perhaps without all the fancy tricks provided by the Plex86 VM's. Is
there some overlap in these two implimentations, and if so, could the
two projects somehow compliment one another enought to join forces? Or
are they both targeting at a completely different set of "development"
purposes? Security wise is the lightweight VM somehow safer than UML?


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