The manufacturing zone, or industrial zone, is comprised of all cell/area zones and level 3 site operations activities of a plant. The manufacturing zone houses all the ICS applications, devices, and controllers, crucial to monitoring and controlling plant floor operations. To preserve smooth plant operations and functioning of ICS applications and the ICS network, this zone requires clear logical segmentation and protection from the upper levels 4 and 5 of the plant/enterprise, while having near real-time communications and reliable connectivity with the lower levels. This separation is provided by the Industrial Demilitarized Zone, or IDMZ.
The manufacturing zone
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