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 ...
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