Migration Strategies
So far in this chapter, we have discussed the need for migrating workloads to the cloud, as well as some of the essential steps to perform when journeying toward a successful migration project. In this section, you will explore some important migration strategies and learn about some best practices to keep in mind when it comes to selecting the right strategies for your workloads.
The 7 Rs of Migration Strategies
The 7 Rs of migration strategies are as follows:
Figure 17.3: Application migration process
The 7 Rs are discussed in detail here:
- Retire: Often, an organization will find a few applications during the Assess and Mobilize phases that are not used frequently or are simply too old to be migrated to the cloud. The fact that a majority of such applications are built using legacy or aging hardware means they are often very difficult and expensive to develop, maintain, and upgrade. Applications that are no longer needed...