The 2nd Cloud Migration Strategy | RETAIN
In this Video we introduce the second Cloud Migration Strategy "RETAIN"
This is the migration strategy for applications that you want to keep in your source environment or applications that you are not ready to migrate. You might choose to migrate these applications in the future.
The following are common use cases for the retain strategy:
Security and compliance – You might want to retain applications in order to remain in compliance with data residency requirements.
High risk – You might decide to retain an application because it requires a detailed assessment and plan prior to migration.
Dependencies – You might decide to retain an application if you need to migrate one or more other applications first.
Applications that are recently upgraded – You might want to postpone migrating the application until the next technical refresh because you recently invested in upgrading your current system.
No business value to migrate – There is no business value for migrating some applications to the cloud, such as those with only a few internal users.
Plans to migrate to software as a service (SaaS) – You might choose retain an application until the SaaS version is released by the vendor. This is a common strategy for vendor-based applications.
Unresolved physical dependencies – You might choose to retain an application that is dependent on specialized hardware that does not have a cloud equivalent, such as machines in a manufacturing plant.
Mainframe or mid-range applications and non-x86 Unix applications – These applications require careful assessment and planning before migrating them to the cloud. Examples of mid-range applications include IBM AS/400 and Oracle Solaris.
Performance – You might want to retain applications based on their performance. For example, you might want to keep zombie or idle applications in your source environment.
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