Before deploying applications to cloud, it is necessary to consider your business requirements. Following are the issues one must consider:
To meet all of these requirements, it is necessary to have well-compiled planning. In this tutorial, we will discuss the various planning phases that must be practised by an enterprise before migrating the entire business to cloud. Each of these planning phases are described in the following diagram:
In this phase, we analyze the strategy problems that customer might face. There are two steps to perform this analysis:
In this, we analyze the factors influencing the customers when applying cloud computing mode and target the key problems they wish to solve. These key factors are:
All of the above analysis helps in decision making for future development.
The strategy establishment is based on the analysis result of the above step. In this step, a strategy document is prepared according to the conditions a customer might face when applying cloud computing mode.
This step performs analysis of problems and risks in the cloud application to ensure the customers that the cloud computing is successfully meeting their business goals. This phase involves the following planning steps:
In this step, we recognize the risks that might be caused by cloud computing application from a business perspective.
In this step, we identify the applications that support the business processes and the technologies required to support enterprise applications and data systems.
Quality of service refers to the non-functional requirements such as reliability, security, disaster recovery, etc. The success of applying cloud computing mode depends on these non-functional factors.
In this step, we formulate all kinds of plans that are required to transform current business to cloud computing modes.
This phase focuses on both of the above two phases. It involves the following two steps:
This step includes selecting a cloud provider on basis of Service Level Agreement (SLA), which defines the level of service the provider will meet.
Maintenance and Technical services are provided by the cloud provider. They need to ensure the quality of services.