Architecting process control for plant and business network systems

Overview:

Developing a prevention approach to plant control systems requires a new approach to network security between the plant network layer and business/external systems. This White Paper, from an investigative team assembled by Invensys Systems Inc., addresses the key network/topology areas for architecting plant and business network systems.

This document describes reference architecture of best practices for a process control system network and its interfaces to a corporate network. The goal is to give the reader an understanding of the techniques utilized to securely connect these networks. The scope of this document is not to address every possible network configuration and requirement, as this will vary with individual customer configurations.

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