Enterprise resource planning (ERP) is an important innovation, affecting the business world by generating improvements both tangible and intangible in large companies and small and medium enterprises (SME). This study focuses on the determinants of success and the advantages of the adoption of this technology. To address these points, a comprehensive literature survey was carried out in order to formulate an original research model for ERP success evaluation and provide a prospect for IT infrastructure and integration. The model, thus suggested and taken within the Kingdom of Saudi Arabia (KSA) context, examines in a systematic approach the relation between the ERP acceptance determinants, the effects of the process of ERP systems diffusion, and the impacts expected on organizational performance. Obtained results underline two key determinants of ERP projects success: First, the preponderance of information control and the improvement in the use of competences. The second factor is the quality of team projects, the definition of team’s mission, training, business processes reengineering, user acceptance, top management support and the selection of the ERP solution.
In the last few years, business on the Internet become more and more significance. On the other hand new development of Internet-based technologies like cloud computing "as a service" is changed rapidly. The business models have to be continually adapted and to be changed to meet the value exchange requirements related to these newest technologies. Therefore, this paper aims to provide significant classifying of the business models which leading enterprises in the market which can be offered directly or indirectly, with different type of offers, such as: (1) Infrastructure as a service (2) Platform as a service (3) Software as a service for characterizing the maturity of "as a services" business model.
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