Internet of Things Architecture

PBL #

Requirement

Type Description^ Rationale^ View^ Perspective^

Functionality

Group

Functional

Component

15 Qualitative

An enquiry into

whether a car parked

at a specific location

is in the parking white

list shall take less

than ~ 5 sec.

Checking whether a car is legibly

parked at a given location has to be

fast and without delays in order not

to slow down the work of the traffic

wardens. (business principle)

none

specific

Performance and

Scalability none specific^ none specific^

16 Qualitative

The number of

system errors when

mining the Parking

White List shall be

less than 1 in 1000.

Checking whether a car is legibly

parked at a given location has to be

fast and without delays in order not

to slow down the work of the traffic

wardens. This also includes resends

due to errors in the Central System.

(business principle)

none

specific

Performance and

Scalability none specific^ none specific^