| "Public electronic reading room construction plan"(hereinafter referred to as the "Construction plan")project is during the "Twelfth Five Year Plan" period,CO sponsored by the Ministry of finance,the Ministry of culture,a culture of services that benefit the construction of the project,invested by the central government on all levels of national public libraries,cultural centers,cultural activities Station construction.Group of minors,the elderly,migrant workers,and so on,as the main object of service,the use of cultural engineering and national library digital resources sharing,provide public cultural services of Internet and digital resource appreciation for the establishment of free "green commonweal Internet bar".The public electronic reading room management information system is one of the core contents of the construction plan.Based on the above background,this paper studies the information security transmission technology of multi tier service network,in order to ensure the availability and security of the system.Papers based on the open nature of the Internet and the public electronic reading room management information system "of the network architecture and functional requirements,and analyzes the security risks faced by the system;in project related research program based on the designed by multi-layer network secure link network scheme,is given based on IPSec VPN authentication,encryption and secret key management,Firewall deployment realization way;through the analysis system to exchange the information content characteristic and a multi-layer network structure,this paper gives the multilayer business level data security transmission system.In the design and Implementation on the basis of "public electronic reading room management information system",from two angles of IPSec VPN Security Network and system pressure data of system transmission safety performance based on were tested,the results show that: Based on the safe transmission scheme for "public electronic reading exhibition room management information system" safety performance meet the design requirements. |
