Process control network – reference architecture
his White Paper describes reference architecture of best practices for an Invensys Foxboro I/A Series Process Control System network and its interfaces to a corporate network. The goal of this document 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.
This White Paper addresses the key network/topology areas for architecting plant and business network systems. It also recommends a network architecture for integrating plant and IT networks using a combination of firewalls, intrusion detection/prevention devices placed at strategic locations in the network, station lock down procedures for services on the UNIX and Windows platforms and policy settings.
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