5.4. The Solution

The proposed solution, the CORE system, used a fairly standard multitier distributed architecture. One interesting twist is that the network switches, essentially dedicated mainframes specifically deployed to perform voice-network routing, were modeled through an additional back-end tier, the process tier. Rather than represent data storage, this tier represented the actual physical network modeled in the CORE system.

5.4.1. Architecture Overview

Figure 5.1 illustrates the architecture of the CORE system.

Figure 5.1. CORE System Architecture

The tiers of this architecture consist of client tier, Web-server tier, application-server ...

Get J2EE™ Technology in Practice: Building Business Applications With the Java™ 2 Platform, Enterprise Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.