The Research On The Strategy Alignment Of Business And Information Systems

Entering into the information era, IS/IT begins to comprehensively support the business strategy and its implementation. It is tendency to align Business and Information Systems. Their strategic alignment is the key to ensure the effect of IS/IT and the efficiency of the investment.As the core of the strategic alignment, the relationship between Business Planning and Information System Planning is the essential factor to determine the effect of information system to the organization. The traditional researches of the relationship between business and information system focus on themes such as Business Strategic Orientation, the Method of ISP, perceived IS effectiveness and business performance related to the internal factors. There is few case study on the theory and method in different layers.This dissertation is based on the SAM, one of the important achievement of MIT in 90s, and does a deeper research on the theory of strategic alignment, the alignment in different phases and layers, and the management of the strategic alignment process.The dissertation deeply analyses the present status of strategic alignment of business and information system in details, propose the modified strategic alignment model. For the research method, this research adopt single longitudinal case study, and make effort as the following:1) Analyses the nature of SAM deeply, and put forth the key problem of strategic alignment of business and information system is based on the inner competence and to keep the dynamic alignment.2) To solve the key problem, the dissertation modify the SAM by adding an extra domain with the process as key factor. Viewed from the effect of IS to business, the model also define the alignment mode.3) Put forth the factor model of SAM through analyzing the factors effecting the strategic alignment.4) Put forth the layer model of IS evolution viewed from strategic alignment, discuss and prove the consistence with SAM.5) Put forth the way to implement and manage strategic alignment for different strategic alignment mode and different layers of IS.6) Analysis and prove these models with the case, enhance the research's adaptation to the domestic enterprise, and make this research practical and guide for implementation information system.