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介绍了软交换组网方式,对软交换三种组网方式的容灾机制性能进行了比较,给出了MSC poo(l移动软交换中心池)容灾的实现方法。研究结果表明,MSC pool组网可在MSC间分担网络负荷,能提升整个核心网资源利用率,节省设备投资;可以实现MSC级的容灾备份;可以减少局间位置更新和局间切换,降低C/D接口信令流量,提供MSC的容量增益并提高用户通话质量。
This paper introduces the networking modes of softswitch, compares the performance of disaster recovery mechanism of the three softswitch networking modes, and presents the implementation method of disaster recovery for MSC poo (l mobile softswitch center pool). The results show that the MSC pool network can share the network load among the MSC, improve the utilization rate of the entire core network and save the equipment investment. It can achieve the disaster recovery and backup at the MSC level. It can reduce the inter-office location update and inter-office handover and reduce C / D interface signaling traffic, to provide the capacity of the MSC and improve user call quality.