Task: Prioritize Subsystems

This task is where the subsystems are prioritized, so that their order of development or further refinement can be decided.

Relationships

Roles	Primary: System Architect	Additional:	Assisting:
Inputs	Mandatory: System Architecture Structure Diagram	Optional: None	External: None
Outputs	System Architecture Structure Diagram

Main Description

The selection of the subsystems is driven by the following:

The benefit of the subsystem to stakeholders: critical, important, useful.
The architectural impact of the subsystem: none, extends, modifies.
The risks to be mitigated: performance, availability of a product, and suitability of a component.