摘要： 物理隔离技术是保护信息安全的重要手段。文章介绍了物理隔离技术的原理和方法，对具体技术的工作过程进行了研究，讨论了物理隔离技术的功能及安全性，分析了物理隔离技术的发展趋势。

关键词: 物理隔离, 网络安全, 数据交换

Abstract: Physical isolation is an important method to protect security of information system. This paper introduces the principle and general methods of physical isolation. The process of this technology is researched carefully , the functions and security of this technology are discussed. Finally, this article makes a look forward to developments of physical isolation.

中图分类号: 

• TP393.08