Building Portals, Intranets, and Corporate Web Sites Using Microsoft Servers

Portal Architecture

Before we can drill down into the portal framework, we need to take a look at how an application of this kind is architected. The portal architecture is based on a classic n-tiered architecture that relies on .NET as the underlying technology. As shown in Figure 5.2, the classic n-tiered architecture includes a presentation services layer, a business services layer, a data services layer, and the database layer.

Figure 5.2. Sample Portal Architecture Diagram

A logical architecture explicitly defines the boundaries of application processes without regard to the physical deployment of the system. Its scalability is primarily ...