Internet-of-Things Architecture © - 258 -
Design constraints
Design constraints define constraints in the design of an architecture. An example for this is PBL #3, viz.
PBL #
Requirement
Type Description^ Rationale^ View^ Perspective^
Functionality
Group
Functional
Component
3 Design constraint
Payment
transactions are
out of
scope of the
system
extension
The current parking-manage-ment system relies on
the payment system by a third party and this modus
operandi is not going to be changed in the new,
extended version of the system. (business principle)
none
spe-
cific
none none specific none specific