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A comment on Heroku: Resolved Security Vulnerability . Parent comment

Re:Heroku: Resolved Security Vulnerability by tptacek on Friday January 21, 2011 @03:01PM (#2128648)
Jails aren't virtualization. I don't know why they don't use jails, but the answer on "virtualization" seems straightforward.
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Re:Heroku: Resolved Security Vulnerability by martinp on Friday January 21, 2011 @10:21PM (#2129811)
Yes, I was surprised too. I've never used the word "virtualization" when refering to jails and VServer, but Wikipedia apparently refers to it as "Operating system-level virtualization".

http://en.wikipedia.org/wiki/OS-level_virtualization

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