Posted: Wed Aug 02, 2006 4:50 am Post subject: Into which ITIL process does application decommission fit?
Need to file a "application decommission" template by it's appropriate ITIL process (for use by others) and was looking for some guidance. My guess would be "Change Management" but wondered if it has been identified as a part of some other process.
My thinking is that since it is a change to the environment, even though it's a decomission, it would have to be validated and approved by Change. And from Change the approval to change the appropriate CIs to indicate that it was decomissioned.
Joined: Jan 01, 2006 Posts: 500 Location: New Jersey
Posted: Fri Aug 11, 2006 2:04 pm Post subject:
OK, I'll throw in my two cents...
How about you put the templates under "Project Management", where they belong? After all, an application decommission is large enough to be its own project, these days. It's one of multiple IT Operations type projects.
For example, if you have an application that exists in your Development, Systems Integration Testing, User Acceptance Testing, and Production environments, you will have to decommission that application and any related infrastructure that gets shut down, including dependencies, in all environments, starting in Dev and moving all the way to Prod. You will need to coordinate work from multiple teams/organizations who control multiple domains within any given environment and you will want to perform the decommission over a sequenced time to ensure that as you shut things down in one environment nothing breaks before you allow things to shut down in the next.
In most companies we deal with, an Application Decommission effort is a form of project that typically generates multiple Change Requests to perform the work to shut down all related components. Some enterprises might also generate a Decom Release in order to have a unique Release to associate the Change Requests to but this is rare.
I hope this helps.
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I would say a change as you are changing the environment by removing the application from the userbase.
Once the OCR is raised, it would have to be approved by the necessary parties - once approved, job done.
Joined: Sep 16, 2006 Posts: 3527 Location: London, UK
Posted: Sun Sep 17, 2006 6:39 am Post subject:
A decommsion is the same as a addition to the IT environment that is managed.
A Change Request would be needed to be raised
If there is Change Management
If the CM process includes the IT environment being affected
If the device is being monitored/used etc by any person.
If there is a CMDB/Asset Register etc
If there is or is not a Addition/Deletion process.
Defintely a Change. Once it went through that process, I like to see the execution by a PMO which would normally holds much of the release management process anyway. If the application is large enough that you think about "decommissioning" it, then it should be done the proper way, through a project. _________________ BR,
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Release operates under Change, I cannot think of any situation where Release is independent from change.
Since Release is responsible for the rollout and the backout of applications, Release will be responsible of decomissionning the application (under Change, an RFC is required for any release activity in the live environment).
So I will say you template should be part of the Release Management process.
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