Research of IN Disaster Tolerant System

With the wide application of intelligent network service and the unceasing expansion of customers,the security and stability of intelligent network is becoming more and more important.The current disaster tolerant capability of the IN system is weak.In this paper,the most popular solutions of Intelligent Network disaster tolerant systems are compared,as well as their ap plication condition and effect.And we also put forward the suggestion of how to build the Intelligent Network disaster tolerant system based on the current situation of Intelligent Network.