Internet of Things Architecture

PBL #

Requirement

Type Description^ Rationale^ View^ Perspective^

Functionality

Group

Functional

Component

6 Qualitative

The system and the

Registry-Office

service shall

exchange information

without errors and

without hang ups

Hassle free service for the purchase

of resident-parking permits.

(business principle)

none

specific

Performance and

Scalability none specific^ none specific^

7 Qualitative

The system and the

time-parking web

service shall

exchange information

without errors and

without hang ups

Hassle free service for the purchase

of time-parking permits via the web

service. (business principle)

none

specific

Performance and

Scalability none specific^ none specific^

8 Qualitative

The system and the

PDM shall exchange

information without

errors and without

hang ups

Hassle free service for the purchase

of time-parking permits at PDMs.

(business principle)

none

specific

Performance and

Scalability none specific^ none specific^

9 Qualitative

Adding and changing

data in the Parking

White List shall take

less than ~ 30 sec.

The purchase of time-parking

permits via web services has to be

fast and without delays in order not

to diminish the user experience

over, e.g., purchasing time-parking

permits at a PDM. (business

principle)

none

specific

Performance and

Scalability

none specific none specific