Scalability is one of the most significant advantages of cloud computing. However, the scalability of applications must not compromise the quality of service offered by the cloud service provider. An adverse impact on the performance of the cloud due to increased scalability may lower cost benefits. The software features of the application and its design must be able to support the scalable architecture of the cloud. When an application is not designed to use system resources efficiently, it tends to underperform and demand more attention than required to achieve the expected level of performance.
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
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