The Architectural Decision document is composed of four parts. The outline of the document is:
1. Architectural Decision
Describe the Architectural Decision (AD).
2 . Impacts and Implications
Document any implications of the decision, such as technology choice, cost, and support implications.
3. Problem & Constraints
4. Solution Analysis
4.1. Solution Architecture
4.2. Solutions Comparative Analysis
Various formats are provided below: Microsoft Word (.dotx and .dot), PDF (.pdf) and Open XML Paper Specification