Virtualisation forms the backbone of cloud computing. Virtual Desktop Infrastructure (VDI) allows an employee’s desktop to be moved into the virtual environment in a central server thus enabling hardware cost reduction and better control over the use of software applications. However, doing so with a software license that has geographical limitations on the type of hardware deployed or does not allow the use of the software in a virtualised setup may result in copyright infringement. In such cases, the license must be re-negotiated at an additional cost for unlimited number of instances or for a specific number of instances in the virtual machine. Additionally the confidentiality provisions of the software license regarding the disclosure of proprietary software must be reviewed to avoid the breach situation.
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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