网络控制系统的安全机制与防范技术

The Safety and Guard of Network Control System

本文分析了工业企业中基于现场总线的网络控制系统,针对内外部网络控制系统的不同特点,分别建立了较完善的安全机制,并着重给出了更具有实用性和安全性的加密技术、数字签名技术、网络隔离技术和冗余容错连接技术。

This paper analyzes the network control system based on fieldbus in the industrial corporation,founds perfect safety system separately aiming at the difference between the inside and outside network control system,and presents the encryption techniques,digital signature techniques,network isolation techniques and fault tolerance techniques emphatically,all of these techniques are more practical and safety.