Technology employed:

Hardware: SUN NETRA t 1125, two redundant and balanced systems;
Software: Solaris 8, Radius

This zone is subdivided into the following:

Public Sub-zone
Frontal Sub-zone
This is a zone with two independent VLAN, protected by two redundant firewalls in fileover (CISCO PIX 520), and faced by two equalizers (ALTEON ACE director 3).
Services Sub-zone