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Create the Business Case: the business case supports the decision process in considering different approaches when decision makers need it. Understand the system to be modernized: this is a critical step as software documentation is rarely up-to-date and projects are made by numerous teams, both internal or external and usually out of sight for ...
Data is stored on various media in files or databases, and is generated and consumed by software applications, which in turn support business processes. The need to transfer and convert data can be driven by multiple business requirements, and the approach taken to the migration depends on those requirements.
Migration of systems can also involve downtime, while the old system is replaced with a new one. Migration can be from a mainframe computer which has a closed architecture, to an open system which employ x86 servers. As well, migration can be from an open system to a Cloud Computing platform. The motivation for this can be the cost savings. [1]
In computing, data transformation is the process of converting data from one format or structure into another format or structure. It is a fundamental aspect of most data integration [1] and data management tasks such as data wrangling, data warehousing, data integration and application integration.
Gartner defines a hybrid cloud service as a cloud computing service that is composed of some combination of private, public and community cloud services, from different service providers. [64] A hybrid cloud service crosses isolation and provider boundaries so that it cannot be simply put in one category of private, public, or community cloud ...
Selecting the right management approach for cloud services is therefore a complex task. Providers and vendors can further confuse the evaluation by highlighting only their strengths and avoiding their weaknesses. Furthermore, each provider and vendor focuses on solving different aspects of cloud management, making it difficult to compare solutions.
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