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Re: Virtualization preferences



 On Sat, 26 Jul 2008 18:07:33 -0400 
Kent Borg <[hidden email]> wrote: 

> Jerry Feldman wrote: 
> > The reason I think that virtualization will be the way to go in the 
> > data center is flexibility. Hardware is constantly evolving to become 
> > faster, more memory, and smaller. 
> 
> That sounds like what an OS was supposed to be.  Abstract the hardware. 

Linux has been pretty good at this as can be seen with support for 32 
and 64 bits going back to 1995 and support for a number of different 
processors including Alpha, IA64, Sparc, PPC, ARM, and more.  While a 
VM can abstract the hardware, some applications may only run on older 
versions of an OS. I recall going back to my IBM days we sold out 
370/138 to a company who wanted to replace their older 360, but their 
applications ran on a version of DOS that did not run on a 370, but 
virtualization allowed them to run their stuff. But there are lots of 
things that virtualization can do that the traditional OS does not. 

-- 
-- 
Jerry Feldman <[hidden email]> 
Boston Linux and Unix 
PGP key id: 537C5846 
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846 
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