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ATTACHMENT A
Change Classification Matrix
ATTACHMENT B
Change Priority Description
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This example applies only to virtual environments, not to systems in general. Exemptions are offered for cases where a change cannot impact the production environment.
Note: Clustered pair server technology is not considered part of a virtual environment. Although service fails over from one server to another, there is a momentary lapse of service in the active production environment, as well as a risk of not restoring full redundancy.
Virtual Servers: VMware
The The terms host and guest describe the physical and virtual machines. The physical computer on which we install VMware Workstation software is called the host computer, and its operating system is called the host operating system. The operating system running inside a virtual machine is called a guest operating system.
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Virtual Applications: Xen Server and Citrix
IRT IRT provides an application service. I f there are changes in interface Connectivity, service availability, the user experience or integration with other applications, then such changes are said to impact the production environment and IRT will schedule such changes per the IRT Change Management policy.