A comparison study on two-tier versus three-tier client/server architecture

Pao Yue-kong Library Electronic Theses Database

A comparison study on two-tier versus three-tier client/server architecture


Author: Lee, Pui-lin
Title: A comparison study on two-tier versus three-tier client/server architecture
Degree: M.Sc.
Year: 1998
Subject: Client/server computing
Computer architecture
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Pages: [11], 138 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1421215
URI: http://theses.lib.polyu.edu.hk/handle/200/2583
Abstract: Client/server computing continues to represent an increasingly popular alternative to legacy host-based solutions. It can offer faster and more cost-effective performance. The classic client/server model is also known as the two-tier model. This model has been widely used in the past ten years. Application developers gain the benefits of two-tier architecture over single-tier application. But they soon discovered that there are limitations and shortcomings in this model. Three-tier client/server architecture is the new growth area for client/server computing. This client/server model can overcome some of the limitation of the traditional two-tier model. The purpose of this project is to study the three-tier client/server architecture and then compare this client/server model with the two-tier client/server model. We will also focus on showing the benefits of implementing client/server application in three-tier approach. To achieve the above goals, this project is divided into three parts. Firstly, there is a detail discussion so as to propose the three-tier client/server model. By comparing with the two-tier model, there is investigation on the benefits of the three-tier model. Besides, we have also studies on how to use the technologies like Open Database Connectivity (ODBC), Component Object Model (COM) and Distributed Database so as to assist the implementation of this client/server approach. The other part of this project is to apply the three-tier model to a specific application so as to demonstrate its usefulness. Besides, this can help to illustrate how a legacy system can be migrated to three-tier client/server application. Finally, there is comparison on the three-tier model with the other client/server approach. We have undergone several experiments for various situations. These sets or experiments can assist in showing the performance of three-tier client/server appraoch and consequently there are suggestions for different circumstances.

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