【摘要】 系统描述了全国地震通信网络系统构成和拓扑结构 ,简要介绍了在项目建设中遇到的一些关键技术问题 ,主要包括 :分组交换网 (X.2 5 )和路由器在联网中的应用 ;防火墙技术在全国地震通信网络中的应用 ;网络流量控制和记帐 ;域名管理和设置。更多还原

【Abstract】 Through describing the form and topological structure of the national earthquake communication network system, this paper briefly introduces some key technological issues in project construction, mainly including application of Packet Switching Network (X.25) and Router in network connections; application of firewall in the national earthquake communication network system; controls of network flow and keep accounts as well as management of domain name and setup.更多还原