With technical reforms increasingly penetrating into every aspect of human life, e-government systems are confronted with more technical challenges, especial higher requirements are provided for the safety of basic physical facilities.

Network defense system must convey and store a large volume of confidential information in safe and support complicate applications to meet requirements of use. Advanced encryption security technology largely changes the design and deployment of the defense system. Besides, the connection of departments in governmental bodies, sensitive interoperability and immediate transmission effect require the defense network to support the application of various IDS in the same large network.

In a high-sensitive and more secured environment, an individual network is required to manage the data, audio and video systems in more and more facilities. The management seeks methods to reduce the operation cost and meet strict safety requirements. How to reach a balance of the application of breakthrough technology and budget is a challenge faced by network management personnel in governmental bodies.