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  • 1.
    Eliasson, Stefan
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Systems and Technology.
    Vängman, Mattias
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Systems and Technology.
    Integrering av ny teknologi: Modernisera ett befintligt IT-system med webbtjänst2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Older IT-systems are still operational today and can need modernization by for example integrating a web service that is developed with new technology. Cybercom is in a situation where this is the case. They have a customer by the name FÖRETAG X and this customer uses an application called Master Security which is developed with old technology. Every Master Security has a connected local database. These applications and local databases are located at FÖRETAG X’s customers. When an update is available for these databases a reinstallation is required for the Master Security. The goal with this project is to create a new implementation of the system by having a webservice that handles updates to avoid the reinstallation of the Master Security. The webservice shall be developed with new technology and be able to work with Master Security. User test and time measurements will be conducted to later be evaluated. The final implementation is created in and for Windows environment the final implementation consists of a Server side and a Client side. The server side consists of a webservice that is using Windows Communication Foundation and a local connected database that stores updates. The updates on the server-side can be downloaded from the client side which consists of an application, local database, an external module that is a DLL-library. The DLL-library is the solution for communication between the old and new technology with the usage of COM-interface. The graphic user interface Script Sender was developed to upload new updates. The results from the user-tests shows that the new user-interfaces is easy to work with but there are room for improvement. The results from the time measurements show that the new implementation is faster than the existing system. The conclusion is that in this case it is possible to expand the existing IT-system with new technology instead of building it from the ground up.

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