Abstract:

With the rapid popularization of the Internet, the security threat facing the network information security is also becoming more and more serious. This paper presents a based on metropolitan area network coverage throughout the city of the Internet and the key network infrastructure of network security emergency response system, and introduces the hierarchical architecture. The core functions of the system are described in detail. At key network nodes of MAN, the system can timely warn large-scale network attacks and virus spread, which can protect the Internet and key sites of network security. This paper also presents the measures of system validation.

Key words: security incident, emergency response, network information security, metropolitan area network