| Summary: | 碩士 === 國立中山大學 === 資訊管理研究所 === 86 === As the commercialization of the Internet, there are more and more goods and services provided in the Internet surroundings. Nowadays most of the electronic payment systems generally used in the Internet just care about the aspect of security rather than capability the convenience or others. As a result, it lacks capability among the various kinds of electronic payment systems. It also result in simplification of the electronic payment systems. To improve these disadvantages, many different integrated schemes arise. However, to integrate these systems only is not enough for advanced operation of the real world. Thus we propose the idea of “Various Electronic Payment Systems”. What advantage does this system have? The introduction of the payment agent facilitates users'' payment, maintains payment tools, and also provides users a variety of payment methods. It not merely supplies users with various kind of payment tools but also deals with the all payment process for users. This also increases the methods of payment users can use. The thesis examines the different flows of payment in the different payment methods. The thesis defines the roles which the whole various electronic payment systems should stand to help understand the thorough process of payment. At the end of this thesis we do a detail analysis of the functions a payment agent should have. Using three-layer client-server architecture, we analyze in which degree of the payment agent position in the Internet. We also use the current interest technology to simulate the thorough processing of the whole various electronic payment systems.
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