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The Seven-Step Model of Migration

Irrespective of the migration approach adopted, the Seven-step Model of Cloud Migration creates a more rational point of view towards the migration process and offers the ability to imbibe several best practices throughout the journey

Step 1: Assess
Cloud migration assessments are conducted to understand the complexities in the migration process at the code, design and architectural levels. The investment and the recurring costs are also evaluated along with gauging the tools, test cases, functionalities and other features related to the configuration.
Step 2: Isolate
The applications to be migrated to the cloud from the internal data center are freed of dependencies pertaining to the environment and the existing system. This step cuts a clearer picture about the complexity of the migration process.
Step 3: Map
Most organisations hold a detailed mapping of their environment with all the systems and applications. This information can be used to distinguish between the components that have to be moved to the cloud from the ones that should continue to reside in the data center.
Step 4: Re-architect
Migration to the cloud demands re-architecture of applications in most cases. This may result in the loss of certain functionalities, and this can be approximated by using relevant APIs.
Step 5: Augment
The applications are augmented to make them cloud-ready. Augmenting the applications is crucial to derive the best benefits of the cloud.
Step 6: Test
Right after the applications are augmented, they need to be tested for the new environment. The augmentation and migration strategies are validated at this step.
Step 7: Optimize
Based on the test results, the migration strategy is optimized for delivering the best ROI. A road map for leveraging the new cloud features is laid.

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