Publication

From Business Services to IT Services by Capturing Design Decisions

Claude Petitpierre, Alain Wegmann
2012
Article de conférence
Résumé

The main goals of any service-oriented design include flexible support and adaptability of business services and improved business-IT alignment. The existing approaches, however, have failed to fully meet these goals. One of the major reasons for this deficiency is the gap that exists between how the computer science and management science communities perceive the concept of service. We present a flexible, semi-automatic, model-driven approach to designing IT services that directly satisfy business needs and requirements. We begin with the design of business services and the capture of the design decisions that transform the business design through multiple model layers to the IT service design. All layers can be simulated using the Alloy Analyzer tool. The last layer can be run on a given target platform. This approach is demonstrated on the running example based on the consulting project conducted at the company General Ressort. The central aspect of our approach is separating the design decisions from anything that can be automated. It provides the multi-perspective view of the system, by making the modeling process faster, leaving the designer the space to focus on the design decisions and not on drawing the models.

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Concepts associés (35)
Business process modeling
Business process modeling (BPM) in business process management and systems engineering is the activity of representing processes of an enterprise, so that the current business processes may be analyzed, improved, and automated. BPM is typically performed by business analysts, who provide expertise in the modeling discipline; by subject matter experts, who have specialized knowledge of the processes being modeled; or more commonly by a team comprising both. Alternatively, the process model can be derived directly from events' logs using process mining tools.
Réingénierie des processus d'affaires
La réingénierie des processus métier (RPA), également connu en anglais sous le nom business process reengineering (BPR), est une approche qui vise à repenser les processus d'affaires de l'entreprise et à les rendre plus efficace. Selon cette approche' l'entreprise abandonne l'organisation classique verticale fonctionnelle en faveur d'une organisation horizontale (structure plate) dans laquelle la prise de décision peut être déléguée (empowerment) aux acteurs opérationnels en front-office (ceux en contact direct avec les clients) et les fonctions supports (ou de soutien) du siège administratif sont réduites afin de permettre de dégager davantage de valeur pour les clients.
Design de services
Le design de services s'intéresse à la fonctionnalité et à la forme des services du point de vue de l'utilisateur, l'usager, le client. Il a pour objectif de s'assurer que l'interface du service est utile, utilisable et désirable du point de vue du client et efficace, performante et - quand il s'agit d'un produit commercialisé - « différenciante » du point de vue du fournisseur. Souvent, un service va être associé à un objet ou à des objets permettant l'interaction avec l'utilisateur (borne, application sur téléphone mobile, service Web.
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