Architectural Viewpoints
Looking at an architecture description is like looking at a condensed version of the entire set of development artifacts. Organized by viewpoint and view, the architecture description probably has accompanying models and possibly architectural prototypes as well. Many software descriptions have numerous references to vendors' specification sheets. Another important part of an architectural description is the mappings from one viewpoint to another. These mappings are the traceability links that associate an artifact in one view with one in another.
Requirements Viewpoint
The requirements viewpoint in an architecture description provides the support and the reasoning for the decisions made elsewhere. It is the viewpoint ...
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