基于IP的电子税务网络系统设计

Design of e-tax network system based on IP

分析了电子税务网络系统的基本需求;在此基础上,从网络容量与承载能力、可靠性和高可用性、QoS、扩展性、网络互联、通信协议等方面论述了税务局域网系统建设的技术要求;介绍了HSRP(热备份路由协议)技术;提出了税务地区和市级税务局中心机房交换机扩容的电子税务网络系统三层网络解决方案,以及基层单位网络扩充和改造的网络结构与组网方式,地市、县局和基层单位节点网络设计方案,并应用于实际的电子税务网络系统设计中。

The paper analyzes the basic needs about the e-tax network system; on th^s bas^s, dlscussea on the tax LAN technical requirements in the network system from the network capacity and load-bearing capacity, reliability and high availability, QoS, scalability, network interconnection, communication protocols; comprehensive introduced HSRP （Hot Standby Routing Protocol） technology ; proposed e-tax network system three-layer solutions on expansion of the switch network in the central switch room of city＇ tax bureau, as well as the network structure and network construction the way of network expansion and improvement of grass-roots units, raised network node design to the city, county and grass-roots units, and applies to the actual e-tax design of network systems.