By Awais Rashid, Professor Jean-Claude Royer, Andreas Rummler
Software program product traces supply a scientific technique of coping with variability in a set of goods. they've got many merits yet there are 3 significant boundaries which may hinder them from attaining their complete power. First, there's the problem of scale: a lot of versions may well exist in a product line context and the variety of interrelationships and dependencies can upward push exponentially. moment, diversifications are typically systemic by means of nature in that they have an effect on the entire structure of the software program product line. 3rd, software program product traces usually serve diverse enterprise contexts, every one with its personal intricacies and complexities. The abundant (http://www.ample-project.net/) technique tackles those 3 demanding situations by means of combining advances in aspect-oriented software program improvement and model-driven engineering. the whole suite of equipment and instruments that represent this procedure are mentioned intimately during this edited quantity and illustrated utilizing 3 real-world business case reviews.
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Creating a system that supports the handling of resolved and unresolved variability is a big challenge, but a suitable approach to this is missing so far. 5 UI integration The introduction of new features to the scenario described above implies the development of new components for the user interface. It is obvious that it will be necessary to examine the influence of feature additions to the design of the user interface. At this point the following questions arise: up to what degree may a user interface be extended to cover feature additions/changes and to maintain its usability; and at what point in time must a user interface be redesigned to reflect the changes to a system?
Therefore, authentication and authorisation come into play. Authentication becomes even more important when the system contains an external platform and external services. The most important functional requirements for a Smart Home platform are as follows: r r r r r r Monitor and change the status of devices (for the end user) Monitor the changes made manually (by the end user) Install new devices (for the end user or an operator) Install new kinds of devices (for an operator) Let the system act autonomously according to defined policies Allow personalisation 38 Case studies for SPLE r Authorisation r Authentication.
G. g. phones, PCs or other internet-enabled devices White goods such as washing machines. g. mapping a light switch to a light or a blind to a window. It should be easy to integrate devices from different vendors by simply adding the software that is shipped with the device. Device vendors are typically the choice of the home owner. Once the home is specified, the automation software should be generated automatically. The Smart Home system shall offer higher level functionality in which several sensors and actuators are working together.