E-Tax Network System Design Based on IP
The paper analyzes the basic needs about E-tax network system, On this basis, discussed 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.