构建二维网络安全防护系统

面对大规模、结构复杂、关联度高的计算机网络,如何在有限的技术与资金前提下构造网络安全系统是人们关注的一个重要问题.借鉴TCP/IP参考模型中的层次理论,从层次与区域两个维度上对网络进行划分,即将网络划分成物理层、系统网络层和应用层3个层次,在每个层次上根据系统关注的重点分成若干安全级别不同的区域分别加以保护,形成网络二维安全体系结构,并在此基础上构建一个完整有机的网络安全防护系统,能够有效保障网络系统的安全.

Constructing planar network security protection system

On the premise of the limited technology support and fund, it is an important problem for people to construct a security system for network with complex architecture and high correlation. Enlightened by layer architecture of TCP/IP Reference Model, the network can be analyzed in two dimensions of layer and area and a planar network security infrastructure is put forward, that is, a network can be divided into the physical layer, systematic layer, application layer and one of these divided into different areas for adoption of different safeguard methods according to the focal point that system pays close attention to different areas at each level. An intact and organic network security protection system can be structured on this basis to effectively ensure the security of the network system.