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Using of three-tier architecture for applications development in information systems required data receiving, processing and delivery


А.V. Lototsky

Benefits and lacks of classical three-tier architecture in comparison to file-server architecture are investigated for the task of refactoring of existed information system. When they have an information system that has been based by historical reasons on file-server architecture and there are lot of diversity overpatching requirements then file-server architecture specific problems arisen. An example of such an information system is given. Solution proposed is based on three-tier architecture. It contains such realization of an application tier that allows one to use almost all benefits related to the three-tier architecture and substantially neglect it’s disadvantages. There are also discussed some more benefits related to proposed architecture that are not linked directly to the sample information system.
June 24, 2020
May 29, 2020

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