Key Presentation Tier Components

To better prepare Canaxia for the future, Kello James was considering adopting the multi-tiered architecture shown in Figure 9-1. This figure illustrates a three-tier architecture that has also become a model for many enterprise applications. One of the major benefits of this architecture is its potential for a high level of maintainability and code reuse. This architecture is composed of the user system interface (the presentation tier), the process management (the business logic tier), and the database management (the data tier). In this architecture, the presentation tier has been separated into a primary tier and a secondary tier, corresponding to the activities related to the client and the server processes. ...

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