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Components of SAFE Medium-Sized Network Design
Within the SAFE SMR model, the medium-sized network design consists of three modules:
- Corporate Internet module
- Campus module
- WAN module
Figure 15-1 shows six modules; however, the Public Switched Telephone Network (PSTN), Internet Service Provider (ISP), and Frame Relay/ATM modules are shown for clarity but are not considered a part of the medium-sized network design model:
- ISP module
- PSTN module
- Frame Relay/ATM module
- Corporate Internet module
- WAN module
- Campus module
Figure 15-1. Medium-Sized Network Model
