Cloud Computing and SOA Convergence in Your Enterprise: A Step ...

184 Chapter 10 Defining Candidate Data, Services, and Processes for the Clouds
Data
Services
Processes
Application
Data
PaaS
Data
Application
Data
Data
IaaS
DaaS
Figure 10.3 Applications are bundles of data, processes, services, and interfaces
that form business systems. They can be either on-premise cloud computing–
based systems or a hybrid of both. Business users see the architecture through the
applications.
If we are going to put this into a process, we must analyze the candidate
processes, candidate services, and metadata we defined in the previous steps,
and then assign them the proper platform (see Figure 10.4). We discuss the
analysis process in the remainder of this chapter, focusing on what to move.
In the next chapter, we talk about how to make the move.
When Cloud Computing Fits
There are no hard and fast rules for how to assign a process, data, or service
to a cloud computing–based or on-premise platform. It is a matter of looking
at each component and at the more holistic application, and then analyz-