
382 Chapter 11: Designing a Unity Solution
The Decision-Making or Presales Phase
The initial phase in any Unity solution design is the decision-making phase. Many steps can
identified during this phase, but these most notable ones are key to any Unity solution:
• Requirements development. Requirements are defined.
• Preliminary design proposal. The initial high-level design is developed based on both
the requirements definition and a preliminary assessment.
• Initial bill of materials made up of hardware, software, and services cost estimates.
Requirements Development
Before you decide on Unity, the first thing you need to do is define the high-level ...