Functional Angels and Quality Devils: Incorporating Quality Scenarios into Functional Scenarios for Software-intensive System Architecture : Table 1

Table 1: Functional components and their assigned functions.
aAn interface is used only when interaction with another component is required.

Component	Assigned Functions	Required interface used^a
Locator	Get current location	GPS Signals
GUI	(respond to) “Go” button pressed	User Commands
	(respond to) "Cancel" key pressed	User Commands
	Display map and route	User Displays
	'navigation' mode request	Commands
Navigation App	Enter 'navigation' mode
	Retrieve the existing route
	Map data request (request)	Map Requests
	Re-calculate the route
	Stop Navigation (exit 'navigation' mode)
Map Services	(respond to) a map data request