This is a significant test on HA by software.Based on Checkpoint and Process Migration, we give a Cluster Balancer HA resolution.Then we implement a prototype based on LVS.

• 以检查点机制和进程迁移技术作为支撑，针对现有集群系统在调度器高可用性方面存在的不足，我们提出了改进的高可用调度器解决方案，并给出了一个基于LVS集群系统的原型实现。