This paper introduces the redundancy backup scheme, describes the signal network and data network of redundancy HLR, and describes the redundancy procedure in detail.

• 本文介绍了移动运营商HLR的容灾备份方案,描述了容灾HLR系统的信令组网和数据组网,最后针对容灾步骤做了重点的介绍。