You might encounter a few applications in your on-premises environment that are essential for your business but are not suitable for migration because of technical reasons, such as the OS/application not being supported on a cloud platform. In such situations, your application cannot be migrated to the cloud, but you can continue running it in your on-premises environment.
For such servers and applications, you may need to perform only the initial analysis to determine their suitability for cloud migration. However, the server or application may still have dependencies with applications that are migrated. Therefore, you may have to maintain the connectivity of these on-premises servers to your cloud environment. You will learn more about on-premises to cloud connectivity in the Creating a hybrid cloud architecture section of this chapter.
Some typical workload examples for retentions are as follows:
- The legacy application where the customer doesn't see the benefit of moving...
