Understanding Virtual Appliances and vApps
The three-tier application discussed earlier was probably created by a number of people in the IT department, although in smaller shops one person can wear all of the hats. A virtualization administrator created the original virtual machines and configured them according to some basic parameters. An operating system engineer provisioned the operating systems on each one and then updated it with the latest patches. Any corporate standard tools were added at this time. The application developer or specialist then installed and configured the application components—webserver, application server, application code, and database. Integration tests were run to validate and stress the virtual machines as an ...
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