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Migrating to the Solaris™ Operating System: The Discipline of UNIX-to-UNIX® Migrations by David Levy, Brian Down, Ken Pepple

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Migration Motivators

Now that we've explained what migrations and upgrades are, we need to investigate what prompts them to occur. Unfortunately, the reasons for migrating or upgrading are diverse and plentiful. However, they can be broadly categorized as either originating internally within the organization or being thrust upon an organization by external forces.

Internal business and technical motivators for migrations and upgrades include the following:

  • Business process changes. Because most IT environments exist to support a specific business and its processes, it is natural that any changes to those processes might require changes to the supporting environment. Most likely, this will trigger an upgrade when an application can add a feature ...

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