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Print 4 comment(s) - last by Motoman.. on Aug 31 at 5:58 PM

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What makes virtualization worthwhile for small to mid-size businesses?
  • Cost savings from consolidating servers (257 votes)
  •  
    35%
  • Simplified IT management and support (116 votes)
  •  
    16%
  • The ability to virtualize desktops and deploy thin clients (81 votes)
  •  
    11%
  • Being able to run multiple operating systems on a single machine (108 votes)
  •  
    15%
  • Nothing – virtualization doesn’t make sense for SMB shops (174 votes)
  •  
    24%

  • 736 total votes




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Security
By ipay on 8/31/2009 11:54:03 AM , Rating: 2
One of the key benefits of virtualization is security - the isolation of services into their own virtual "appliances". A security breach in one virtual machine does not impact the others, containing and isolating the intruder.

In combination with the new KSM functionality (kernel shared memory) in Linux, running multiple copies of the same OS is now very memory efficient - but still secure (using copy on write).




RE: Security
By Motoman on 8/31/2009 5:58:42 PM , Rating: 2
...that's not a benefit of virtualization, since if you were running separate physical machines, you'd have the same isolation.


"This is about the Internet.  Everything on the Internet is encrypted. This is not a BlackBerry-only issue. If they can't deal with the Internet, they should shut it off." -- RIM co-CEO Michael Lazaridis



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