Structure of the SAD
The structure of the SAD can differ from project to project as per stakeholder requirements and the nature of the project. Your project could be creating a new product from the ground up, modernizing a legacy application, or moving the entire system to the cloud.
For each project, the SAD document may differ, but, overall, it should consider various stakeholders' views and consider the necessary sections, as shown in the following screenshot:
Figure 18.2: Structure of a SAD
In the preceding SAD structure, you can see different sections covering multiple solution architecture and design aspects. The solution architect may choose to add additional subsections or remove some sections as per the project requirements. For example, you can add another introduction section to talk about the document's purpose, with a summary. For a transition project, you may add a subsection to present the existing architecture and compare it with the target...