基于P2P的NGN核心网数据备份技术研究

In this paper proposed a Out-area Backup and Recovery based on segmentation Tactics (OBRT) for the present disater tolerance problem in the soft switching network, which puts forwards a method of data segmentation and recovery dividing the backup data into equal parts and order stored in the extra-area. With the advent of a failure in a node, data and business can be recovered in another normal node. Some analyses have been put on data reliability of OBRT and system parameters. Our simulation results show that the strategy is simple yet efficient, with a certain slice numbers and redundant modulus OBRT guaranteeing the reliability of user data.